Flat Washers

1 - 21 of 315 Items (2340 Products) Filter

Flat washers are used with threaded fasteners for distributing the load uniformly and reducing frictional losses during screw tightening. These units are used for providing spacing and...Read more

-

Plain Grade 18-8 Stainless Steel Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessTensile StrengthColorPrice (inc. VAT)Pkg. Qty.
AZ9150#00.063"1/8"1/64"-0.004" to +0.005"Rockwell B8090000 psi-£10.9025
BWASB#0W8#00.068"1/4"0.022" to 0.028"-0.014" to +0.005"Rockwell B8090000 psiSilver£9.621
CWASB#1R8#10.084"7/32"0.022" to 0.028"-0.014" to +0.005"Rockwell B8090000 psiSilver£13.3610
DWASB#1N8#10.084"5/32"0.022" to 0.028"-0.014" to +0.005"Rockwell B8090000 psiSilver£13.4810
EZ9151#10.078"5/32"1/64"-0.004" to +0.005"Rockwell B8090000 psi-£10.0125
FWASB80W8#11 1/16"3"0.146" to 0.174"-0.02" to +0.005"Rockwell B8090000 psiSilver£77.922
GWASB80N8#11 1/16"1 3/4"0.09" to 0.112"-0.014" to +0.005"Rockwell B8090000 psiSilver£15.891
HWASB80R8#11 1/16"2 1/2"0.146" to 0.174"-0.02" to +0.005"Rockwell B8090000 psiSilver£45.712
IWASB#1W8#10.084"9/32"0.028" to 0.036"-0.014" to +0.005"Rockwell B8090000 psiSilver£8.7010
JWASB#2N8#20.094"3/16"0.022" to 0.028"-0.014" to +0.005"Rockwell B8090000 psiSilver£26.3025
KZ9152#20.094"3/16"1/32"-0.004" to +0.005"Rockwell B8090000 psi-£9.0325
LWASB#2W8#20.094"11/32"0.028" to 0.036"-0.014" to +0.005"Rockwell B8090000 psiSilver£14.061
MWASB#2R8#20.094"1/4"0.028" to 0.036"-0.014" to +0.005"Rockwell B8090000 psiSilver£19.6025
NU51410.011.0002#41/8"5/16"1/32"----£4.561
OWASB#4N8#41/8"1/4"0.028" to 0.036"-0.014" to +0.005"Rockwell B8090000 psiSilver£21.5025
PWASB#4W8#41/8"7/16"0.036" to 0.045"-0.014" to +0.005"Rockwell B8090000 psiSilver£13.081
QWASB#4R8#41/8"3/8"0.036" to 0.045"-0.014" to +0.005"Rockwell B8090000 psiSilver£18.1425
RZ9154#41/8"1/4"1/16"-0.004" to +0.005"Rockwell B8090000 psi-£11.4910
SZ9085SS#41/8"5/16"5/64"-0.004" to +0.005"Rockwell B8090000 psi-£19.3110
TZ9156#65/32"5/16"1/16"-0.004" to +0.005"Rockwell B8090000 psi-£10.5610
UWASB#6W8#65/32"9/16"0.036" to 0.045"-0.014" to +0.005"Rockwell B8090000 psiSilver£15.251
VU51410.013.0001#65/32"3/8"2/41"--Not Applicable-£2.221
WZ9086SS#65/32"3/8"5/64"-0.004" to +0.005"Rockwell B8090000 psi-£17.9910
XWASB#6N8#65/32"5/16"0.028" to 0.036"-0.014" to +0.005"Rockwell B8090000 psiSilver£20.1225
YU51410.013.0003#65/32"3/8"1/32"----£10.881
-

Plain Grade 18-8 Stainless Steel Oversized Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceTensile StrengthHardnessColorPrice (inc. VAT)Pkg. Qty.
AU51410.006.0001#00.063"1/8"0.016"----£24.5850
BU51410.007.0001#10.094"5/32"0.016"----£22.1350
CU51410.008.0001#20.094"3/16"1/32"----£21.7350
DU51410.011.0003#41/8"5/16"5/64"----£44.9950
EU51410.011.0001#41/8"1/4"0.063"----£78.5450
FZ0538-188#41/8"5/16"0.032"-0.004" to +0.005"90000 psiRockwell B80Silver£4.37100
GU51410.013.0004#65/32"3/8"5/64"----£39.1350
HZ0539-188#65/32"3/8"0.032"-0.004" to +0.005"90000 psiRockwell B80Silver£17.68100
IZ0449-188#65/32"9/16"0.047"-0.004" to +0.005"90000 psiRockwell B80-£13.3550
JU51410.013.0002#65/32"5/16"0.063"----£37.8850
KU51530.013.0001#61/8"5/8"1/32"----£2.4150
LZ0448-188#60.141"5/8"1/32"-0.004" to +0.005"90000 psiRockwell B80-£7.0350
MU51530.013.0002#65/32"9/16"0.047"----£14.311
NU51410.016.0003#83/16"7/16"5/64"----£30.9950
OU51410.016.0001#85/32"3/8"0.063"----£14.7850
PZ0540-188#80.172"3/8"0.032"-0.004" to +0.005"90000 psiRockwell B80Silver£4.50100
QU51530.019.0002#83/16"11/16"0.047"----£5.401
RZ0451-188#83/16"3/4"0.05"-0.004" to +0.005"90000 psiRockwell B80-£18.731
SZ0450-188#80.172"3/4"1/25"-0.004" to +0.005"90000 psiRockwell B80-£8.901
TZ0455-188#100.203"3/4"1/25"-0.004" to +0.005"90000 psiRockwell B80-£10.081
UZ0454-188#100.203"1"1/25"-0.004" to +0.005"90000 psiRockwell B80-£10.9050
VZ9678SS#107/32"1"1/8"-0.004" to +0.005"90000 psiRockwell B80-£10.161
WZ0453-188#100.203"11/16"1/25"-0.004" to +0.005"90000 psiRockwell B80-£7.451
XZ0452-188#100.203"1/2"1/25"-0.004" to +0.005"90000 psiRockwell B80-£5.771
YU51530.019.0001#103/16"1/2"0.047"-Not Applicable--£3.481
APPROVED VENDOR -

Plain Grade 18-8 Stainless Steel Slotted Flat Washers

StyleModelFits Bolt SizesOutside Dia.ThicknessSlot WidthThickness ToleranceHardnessWasher TypeMaterialPrice (inc. VAT)
AZ9437SS1 1/4"3"7/16"1 5/16"-0.01" to +0.01"Rockwell B85-B95Slotted Flat WasherStainless Steel£79.37
AZ9434SS1"2 1/2"7/16"1.031"-0.01" to +0.01"Rockwell B85-B95Slotted Flat WasherStainless Steel£64.41
AZ9429SS1/2"2 1/4"3/8"17/32"-0.01" to +0.01"Rockwell B85-B95Slotted Flat WasherStainless Steel£20.50
AZ9428SS1/2"1 7/8"3/8"17/32"-0.01" to +0.01"Rockwell B85-B95Slotted Flat WasherStainless Steel£20.49
AZ9420SS1/4"3/4"1/4"9/32"-0.01" to +0.01"Rockwell B85-B95Slotted Flat WasherStainless Steel£10.70
AZ9421SS1/4"1"1/4"9/32"-0.01" to +0.01"Rockwell B85-B95Slotted Flat WasherStainless Steel£11.78
AZ9433SS3/4"2 1/2"7/16"25/32"-0.01" to +0.01"Rockwell B85-B95Slotted Flat WasherStainless Steel£29.00
BZ9425SS3/8"1 1/2"3/8"13/32"-0.01" to +0.01"Rockwell B85-B95Slotted Flat WasherStainless Steel£20.05
CZ9424SS3/8"1 1/4"3/8"13/32"-0.01" to +0.01"Rockwell B85-B95Slotted Flat WasherStainless Steel£14.36
AZ9426SS3/8"1 3/4"3/8"13/32"-0.01" to +0.01"Rockwell B85-B95Slotted Flat WasherStainless Steel£23.88
AZ9431SS5/8"2 1/8"3/8"21/32"-0.01" to +0.01"Rockwell B85-B95Slotted Flat WasherStainless Steel£21.66
DZ9422SS5/16"1 1/4"5/16"11/32"-0.01" to +0.01"Rockwell B85-B95Slotted Flat WasherStainless Steel£13.58
APPROVED VENDOR -

Hot Dipped Galvanized Steel Plain Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessColorPrice (inc. VAT)
AZ8880-HDG1/2"9/16"3"1/4"-0.031" to +0.031"Rockwell B55Silver£17.87
BZ8893-HDG3/4"0.812"4"1/4"-0.031" to +0.031"Rockwell B55Silver£24.96
-

Yellow Zinc Plated Steel Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessColorTemp. RangePrice (inc. VAT)Pkg. Qty.
AHU-1500USSHZYBAGGR1 1/2"1 5/8"3 1/2"0.156"-0.028" to +0.028"Rockwell C38-C45Yellow-£1,000.89150
BHU-1500USSHZYBAGGR1 1/2"1 5/8"3 1/2"0.136" to 0.192"-Rockwell C38-C45--£26.095
CZ92831 1/2"1.563"3"1/4"-0.02" to +0.005"Rockwell C43--£9.591
DZ92811 1/4"1 3/8"2 1/2"1/4"-0.02" to +0.005"Rockwell C43--£79.5410
E510124G1 1/4"1 3/8"2 1/2"1/4"-0.015" to +0.014"Rockwell C43--£36.6610
FZ92801 1/8"1 3/16"2 1/4"1/4"-0.02" to +0.005"Rockwell C43--£52.6710
E510122G1 1/8"1 3/16"2 1/4"1/4"-0.015" to +0.014"Rockwell C43--£17.6010
GZ92821 3/8"1.438"2 3/4"1/4"-0.02" to +0.005"Rockwell C43--£39.245
E510128G1 3/8"1.109"2 3/4"1/4"-0.015" to +0.014"Rockwell C43--£12.275
HB38405.100.00011"1.063"2"1/4"--Yellow-58°F to +302°F£244.86160
IZ92791"1.063"2"1/4"-0.02" to +0.005"Rockwell C43--£40.4810
JZ92741/2"17/32"1 1/16"13/64"-0.02" to +0.005"Rockwell C43--£53.0350
KHU-0250USSHZYBAGGR1/4"0.313"3/4"0.066"-0.145" to +0.145"Rockwell C38-C45Yellow-£417.836
BHU-0250USSHZYBAGGR1/4"0.313"3/4"0.051" to 0.08"-Rockwell C38-C45--£13.29100
LZ92701/4"9/32"5/8"3/32"-0.004" to +0.005"Rockwell C43--£27.691
MB38405.075.00013/4"0.781"1 15/32"0.156"--Yellow-58°F to +302°F£249.52320
NZ92773/4"0.813"1 15/32"7/32"-0.02" to +0.005"Rockwell C43--£23.881
BHU-0750USSHZYBAGGR3/4"0.813"2"0.122" to 0.177"-Rockwell C38-C45--£26.3320
OHU-0750USSHZYBAGGR3/4"0.813"2"0.156"-0.028" to +0.028"Rockwell C38-C45Yellow-£551.20500
PZ92723/8"13/32"13/16"1/8"-0.004" to +0.005"Rockwell C43--£229.51100
QB38405.037.00013/8"13/32"13/16"1/8"--Yellow-58°F to +302°F£387.151
RZ92765/8"21/32"1 5/16"7/32"-0.02" to +0.005"Rockwell C43--£79.271
SHU-0625USSHZYBAGGR5/8"0.172"1 3/4"0.134"-0.026" to +0.026"Rockwell C38-C45Yellow-£487.36750
TZ92715/16"11/32"11/16"3/32"-0.004" to +0.005"Rockwell C43--£58.81100
BHU-0312USSHZYBAGGR5/16"3/8"7/8"0.064" to 0.104"-Rockwell C38-C45--£9.0150
-

Zinc Plated Grade 2 Steel Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessColorTemp. RangePrice (inc. VAT)Pkg. Qty.
AM38130.026.0001M2.62.8 mm7 mm0.5 mm----58°F to +302°F£1.02100
BM38130.040.0001M44.3 mm9 mm0.8 mm0.028" to 0.035"Vickers 140--£2.051
BM38130.050.0001M55.3 mm10 mm1 mm0.035" to 0.043"Vickers 140--£2.201
BM38130.060.0001M66.4 mm12 mm1.6 mm0.055" to 0.071"Vickers 140--£3.891
BM38130.070.0001M77.4 mm14 mm1.6 mm0.055" to 0.071"Vickers 140--£3.841
BM38130.080.0001M88.4 mm16 mm1.6 mm0.055" to 0.071"Vickers 140--£5.051
BM38130.100.0001M1010.5 mm20 mm2 mm0.071" to 0.087"Vickers 140--£8.231
CM38130.110.0001M1112 mm24 mm2.5 mm----58°F to +302°F£3.4850
DM38130.120.0001M1213 mm24 mm2.5 mm----£7.981
BM38130.140.0001M1415 mm28 mm2.5 mm0.091" to 0.106"Brinell 200--£7.891
EL38130.160.0001M1617 mm30 mm3 mm--Silver-58°F to +302°F-475
RFQ
FM38130.160.0001M1617 mm30 mm3 mm----£4.911
GM38130.180.0001M1819 mm34 mm3 mm0.106" to 0.13"Brinell 200--£7.521
HM38130.200.0001M2021 mm37 mm3 mm----£3.241
IM38130.220.0001M2223 mm39 mm3 mm----58°F to +302°F£3.851
JM38130.240.0001M2425 mm44 mm4 mm----£5.671
KL38130.240.0001M2425 mm44 mm4 mm--Silver-58°F to +302°F£57.7990
LM38130.270.0001M2728 mm50 mm4 mm----58°F to +302°F£4.281
MM38130.300.0001M3031 mm56 mm4 mm----£4.921
NM38130.330.0001M3334 mm60 mm5 mm----58°F to +302°F£2.911
OM38130.360.0001M3637 mm66 mm5 mm----£3.281
PM38130.390.0001M3940 mm72 mm6 mm----£4.811
QM38130.420.0001M4243 mm78 mm7 mm----£7.101
RM38130.450.0001M4546 mm85 mm7 mm----58°F to +302°F£7.151
SM38130.480.0001M4850 mm92 mm8 mm----58°F to +302°F£9.861
APPROVED VENDOR -

Yellow Zinc Plated Grade 5 Steel Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessTemp. RangePrice (inc. VAT)Pkg. Qty.
AM38080.030.0001M33.2 mm7 mm0.5 mm---58°F to +302°F£2.041
BM38080.040.0001M44.3 mm9 mm0.8 mm---58°F to +302°F£2.531
CM38080.050.0001M55.3 mm10 mm1 mm---58°F to +302°F£3.031
DM38080.070.0001M77.4 mm14 mm1.6 mm---58°F to +302°F£4.001
EM38080.110.0001M1112 mm24 mm2.5 mm---58°F to +302°F£15.591
FM38080.180.0001M1819 mm34 mm3 mm-0.3 mm to +0.3 mmBrinell 200-£6.661
GM38080.200.0001M2021 mm37 mm3 mm---£2.391
HM38080.270.0001M2728 mm50 mm4 mm---58°F to +302°F£12.585
IM38080.300.0001M3031 mm56 mm4 mm---58°F to +302°F£7.921
JM38080.330.0001M3334 mm60 mm5 mm---58°F to +302°F£5.251
-

Black Oxide Steel USS Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessColorPrice (inc. VAT)Pkg. Qty.
A6DYY71 1/2"1 5/8"3 1/2"0.156"-0.03" to +0.03"Rockwell C38-£42.7925
B4RXW81 1/2"1 5/8"3 1/2"3/16"-0.03" to +0.03"Rockwell C38-£202.641
CU38100.125.00011 1/4"1 1/4"3"0.156"---£8.571
DU38100.112.00011 1/8"1 1/8"2 3/4"0.156"---£7.331
EU38402.175.00011 3/4"1 7/8"4"0.156"---£13.631
A6DYY81 3/4"1 7/8"4"0.156"-0.03" to +0.03"Rockwell C38-£20.1710
F4RXW61 3/8"1 1/2"3 1/4"3/16"-0.03" to +0.03"Rockwell C38-£179.18150
A6DYY61 3/8"1 1/2"3 1/4"0.156"-0.03" to +0.03"Rockwell C38-£36.6525
GU38100.025.00011/4"0.313"47/64"0.065"0.051" to 0.08"-Silver£4.661
H4VNY82 1/2"2 5/8"5"15/64"-0.035" to +0.035"Rockwell C38-£206.741
A6DYZ12 1/2"2 5/8"5"1/4"-0.035" to +0.035"Rockwell C38-£54.7910
IU38402.250.00012 1/2"2 5/8"5"0.238"---£47.631
JU38402.225.00012 1/4"2 1/4"4 3/4"0.156"---£33.331
KU38402.200.00012"2 1/8"4 1/2"0.156"---£19.241
A6DYY92"2 1/8"4 1/2"0.156"-0.03" to +0.03"Rockwell C38-£32.3610
L4RXY22"2 1/8"4 1/2"3/16"-0.03" to +0.03"Rockwell C38-£224.931
MU38402.300.00013"3"5 1/2"0.284"---£53.055
NFWUIS075USA-455P3/4"0.813"2"0.156"0.122" to 0.177"--£413.501
OFWUIS075-450P3/4"0.813"2"0.156"-0.01" to +0.01"Rockwell B49-£158.621
PU38100.037.00013/8"7/16"1"0.083"0.064" to 0.104"-Silver£9.601
A6DYY13/16"1/4"9/16"3/64"-0.014" to +0.014"Rockwell C38-£2.45100
QU38402.018.00013/16"1/4"9/16"2/41"-0.013" to +0.016"--£2.791
RFWUIS062-650P5/8"0.172"1 3/4"9/64"-0.01" to +0.01"Rockwell B49-£197.581
SU38100.031.00015/16"3/8"7/8"0.083"0.064" to 0.104"-Silver£9.131
TU38100.087.00017/8"7/8"2 1/4"0.156"---£10.361
-

Plain Grade 316 Stainless Steel Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceTensile StrengthHardnessColorPrice (inc. VAT)Pkg. Qty.
AU55410.011.0001#41/8"5/16"1/32"----£17.1050
BU55410.016.0001#85/32"3/8"1/32"-Not Applicable--£2.641
CU55410.019.0001#103/16"7/16"1/32"-Not Applicable--£3.201
DU55410.019.0002#107/32"1/2"2/41"-Not Applicable--£4.071
EU55420.150.00011 1/2"1 5/8"3 1/2"0.156"----£56.565
FU55420.137.00011 3/8"1 1/2"3 1/4"0.156"----£42.065
GU55410.100.00021"1.063"2 1/2"0.156"-Not Applicable--£19.791
HB55410.100.00021"1.063"2 1/2"0.156"-Not Applicable-Silver£527.21125
IU55410.100.00011"1.063"2"0.109"-Not Applicable--£10.211
JU55410.050.00021/2"0.563"1 1/4"0.063"-Not Applicable--£16.781
KU55410.050.00011/2"17/32"1 1/16"0.063"-Not Applicable--£9.751
LU55410.050.00031/2"0.563"1 3/8"0.094"-Not Applicable--£22.811
MU55410.025.00021/4"0.313"3/4"0.047"-Not Applicable--£6.721
NB55410.025.00021/4"0.313"3/4"0.047"-Not Applicable-Silver-3
RFQ
OU55410.025.00011/4"9/32"5/8"0.047"-Not Applicable--£4.811
PU55410.075.00013/4"0.781"1 1/2"0.109"-Not Applicable--£22.441
QU55410.075.00023/4"0.781"2"1/8"-Not Applicable--£63.401
RU55410.037.00023/8"13/32"13/16"0.047"-Not Applicable--£8.511
SB55410.037.00023/8"13/32"13/16"0.047"-Not Applicable-Silver-3850
RFQ
TU55410.037.00013/8"3/8"7/8"0.047"-Not Applicable--£10.591
UU55410.037.00033/8"7/16"1"0.063"-Not Applicable--£17.921
VU55410.062.00015/8"21/32"1 5/16"0.063"-Not Applicable--£14.9425
WU55410.062.00035/8"11/16"1 3/4"0.109"----£46.1525
XB55410.062.00025/8"11/16"1 1/2"5/64"-Not Applicable-Silver-775
RFQ
YU55410.062.00025/8"11/16"1 1/2"5/64"-Not Applicable--£28.761
-

Zinc Plated Steel SAE Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessColorTemp. RangePrice (inc. VAT)Pkg. Qty.
AU38400.011.0001#20.094"1/4"0.016"----£3.181
BU38400.011.0003#41/8"5/16"1/32"----£1.961
C6DYX2#40.094"1/4"1/64"-0.005" to +0.005"Rockwell B40--£24.811
DU38400.013.0001#65/32"3/8"3/64"0.036" to 0.065"Rockwell B40--£2.351
C6DYX3#65/32"3/8"3/64"-0.015" to +0.015"Rockwell B40--£9.93790
EU38400.016.0001#83/16"7/16"3/64"0.036" to 0.065"-Silver-£3.291
FU38400.016.0005#83/16"3/8"0.047"----£23.691
C6DYX5#83/16"7/16"3/64"-0.015" to +0.015"Rockwell C38--£6.88585
GU38400.019.0004#107/32"1/2"3/64"0.036" to 0.065"-Silver-£3.351
HU38205.150.00011 1/2"1 5/8"3"0.156"----£8.231
IU38400.150.00011 1/2"1 5/8"3"0.156"----£12.615
JB38205.125.00011 1/4"1 3/8"2 1/2"0.156"--Silver-58°F to +302°F£156.88130
KU38205.125.00011 1/4"1 3/8"2 1/2"0.156"----£5.001
LU38400.125.00011 1/4"1 3/8"2 1/2"0.156"----£6.151
MU38205.112.00011 1/8"1 1/4"2 1/4"0.134"----£4.501
NU38205.137.00011 3/8"1 1/2"2 3/4"0.156"----£6.281
OU38400.137.00011 3/8"1 1/2"2 3/4"0.156"----£7.371
PU38205.100.00011"1.063"2"0.134"----£3.451
QB38205.100.00011"1.063"2"0.134"--Silver-58°F to +302°F£193.62265
RB38205.050.00011/2"17/32"1 1/16"3/32"--Silver-£165.441
SU38205.050.00011/2"17/32"1 1/16"3/32"0.074" to 0.121"-Silver-£7.211
TB38205.025.00011/4"9/32"5/8"1/16"--Silver-£198.334
UU38205.025.00011/4"9/32"5/8"1/16"0.051" to 0.08"-Silver-£4.601
VU38205.075.00013/4"0.813"1 15/32"0.134"----58°F to +302°F£7.131
WB38205.075.00013/4"0.813"1 15/32"0.134"--Silver-58°F to +302°F£154.14500
APPROVED VENDOR -

Plain Brass Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessTensile StrengthPrice (inc. VAT)Pkg. Qty.
AZ9094BR#100.203"1/2"3/32"-0.004" to +0.005"Rockwell B5058000 psi£16.845
BZ9208BR1"1.031"2"9/32"-0.02" to +0.005"Rockwell B5058000 psi£7.901
CZ9103BR1"1.031"2"3/16"-0.02" to +0.005"Rockwell B5058000 psi£5.891
DZ9099BR1/2"17/32"1 1/8"1/8"-0.004" to +0.005"Rockwell B5058000 psi£23.135
EZ9204BR1/2"17/32"1 1/8"3/16"-0.02" to +0.005"Rockwell B5058000 psi£23.321
FZ9200BR1/4"9/32"5/8"3/16"-0.02" to +0.005"Rockwell B5058000 psi£20.641
GZ9095BR1/4"9/32"5/8"1/8"-0.004" to +0.005"Rockwell B5058000 psi£15.485
HZ9206BR3/4"0.781"1 5/8"1/4"-0.02" to +0.005"Rockwell B5058000 psi£5.941
IZ9101BR3/4"0.781"1 5/8"5/32"-0.02" to +0.005"Rockwell B5058000 psi£22.665
JZ9202BR3/8"13/32"1"3/16"-0.02" to +0.005"Rockwell B5058000 psi£22.335
KZ9097BR3/8"13/32"7/8"1/8"-0.004" to +0.005"Rockwell B5058000 psi£13.455
LZ9100BR5/8"21/32"1 3/8"1/8"-0.004" to +0.005"Rockwell B5058000 psi£24.395
MZ9205BR5/8"21/32"1 3/8"3/16"-0.02" to +0.005"Rockwell B5058000 psi£26.631
NZ9201BR5/16"11/32"3/4"3/16"-0.02" to +0.005"Rockwell B5058000 psi£21.301
OZ9096BR5/16"11/32"3/4"1/8"-0.004" to +0.005"Rockwell B5058000 psi£16.525
PZ9207BR7/8"0.906"1 3/4"1/4"-0.02" to +0.005"Rockwell B5058000 psi£6.901
QZ9102BR7/8"0.906"1 3/4"5/32"-0.02" to +0.005"Rockwell B5058000 psi£21.665
RFW5B00300-100P1M33.2 mm7 mm0.5 mm-0.05 mm to +0.05 mm--£4.17100
RFW5B00400-100P1M44.3 mm9 mm0.8 mm-0.1 mm to +0.1 mm--£9.611
RFW5B00500-100P1M55.3 mm10 mm1 mm-0.1 mm to +0.1 mm--£10.23100
RFW5B00600-100P1M66.4 mm12 mm1.6 mm-0.2 mm to +0.2 mm--£18.75100
RFW5B00800-050P1M88.4 mm16 mm1.6 mm-0.2 mm to +0.2 mm--£15.3550
RFW5B01000-025P1M1010.5 mm20 mm2 mm-0.2 mm to +0.2 mm--£16.281
RFW5B01200-025P1M1213 mm24 mm2.5 mm-0.2 mm to +0.2 mm--£24.4925
RFW5B01600-010P1M1617 mm30 mm3 mm-0.3 mm to +0.3 mm--£22.3010
-

Black Oxide Steel Oversized Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessTensile StrengthColorPrice (inc. VAT)Pkg. Qty.
AU38403.011.0001#41/8"5/16"5/64"----£4.231
BU38403.013.0001#65/32"3/8"5/64"----£5.521
CU38403.016.0001#83/16"7/16"5/64"----£6.961
DU38403.019.0001#103/16"1/2"0.094"----£4.921
EZ92521 1/2"1 5/8"3"1/4"-0.02" to +0.005"Rockwell C40140000 psi-£40.771
FU38100.150.00011 1/2"1 5/8"3 1/2"0.156"----£12.381
GB38100.150.00011 1/2"1 5/8"3 1/2"0.156"---Silver£165.8155
HB38100.125.00011 1/4"1 1/4"3"0.156"---Silver£145.4080
IU38403.125.00011 1/4"1 9/32"2 1/2"0.281"----£10.801
JU38403.112.00011 1/8"1.156"2 1/4"0.156"----£9.275
KZ92541 3/4"1 7/8"3 3/8"1/4"-0.02" to +0.005"Rockwell C40140000 psi-£46.151
LU38100.137.00011 3/8"1 1/2"3 1/4"0.156"----£10.571
MZ92501 3/8"1 1/2"2 3/4"1/4"-0.02" to +0.005"Rockwell C40140000 psi-£35.511
NB38100.100.00011"1.063"2 1/2"0.156"---Silver£124.11110
OZ92941"1.063"2 1/2"1/4"-0.02" to +0.005"Rockwell C4--£38.422
PU38100.100.00011"1.063"2 1/2"0.156"----£6.011
QU38403.100.00011"1.031"2"0.156"----£7.381
RZ92891/2"17/32"1 3/8"0.156"-0.02" to +0.005"Rockwell C4--£23.435
SU38213.050.01501/2"17/32"1 1/2"1/16"-0.047" to +0.08"--Silver£12.6650
TU38213.050.03001/2"17/32"3"1/16"-0.047" to +0.08"-Not ApplicableSilver£59.5550
UU38213.050.02001/2"17/32"2"1/16"-0.047" to +0.08"--Silver£23.2350
VB38100.050.00011/2"0.563"1 3/8"0.109"---Silver£123.41550
WU38403.050.00011/2"17/32"1 1/8"1/8"----£12.721
XB38213.050.02001/2"17/32"2"1/16"-0.047" to +0.08"--Silver£2,990.97650
YU38100.050.00011/2"0.563"1 3/8"0.109"----£11.601
StyleModelInside Dia.Fits Bolt SizesOutside Dia.ThicknessWasher TypeMaterial
AE147-1/2SS61/2"1/2"--Round WasherStainless Steel
RFQ
AE147-1/2-SS9/16"1/2"1 3/8"0.132"Round WasherStainless Steel
RFQ
APPROVED VENDOR -

Zinc Plated Grade 2 Steel Oversized Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessTemp. RangePrice (inc. VAT)Pkg. Qty.
AU38210.012.0062#61/8"5/8"1/32"-Rockwell 140HV-£3.661
BU38210.050.01501/2"17/32"1 1/2"0.051"+0.047" to +0.08"--£6.611
CU38210.050.03001/2"17/32"3"0.063"-Rockwell 140HV-£33.971
BU38210.050.02001/2"17/32"2"0.051"+0.047" to +0.08"--£15.231
BU38210.025.01501/4"9/32"1 1/2"0.051"+0.047" to +0.08"Rockwell 140HV-£20.621
BU38210.025.01001/4"9/32"1"0.051"+0.047" to +0.08"Rockwell 140HV-£10.511
DU38210.025.02501/4"9/32"2 1/2"0.063"-Rockwell 140HV-£60.471
EU38210.025.02001/4"9/32"2"0.047"---£79.42100
BU38210.025.01251/4"9/32"1 1/4"0.051"+0.047" to +0.08"Rockwell 140HV-£13.951
FU38210.025.00871/4"9/32"7/8"0.047"-Rockwell 140HV-£6.411
GU38210.025.03001/4"9/32"3"0.063"-Rockwell 140HV-£107.671
HU38210.012.00751/8"5/32"3/4"0.051"+0.047" to +0.08"Rockwell 140HV-£6.111
BU38210.037.01253/8"13/32"1 1/4"0.051"+0.047" to +0.08"--£11.451
IU38210.037.01623/8"13/32"1 5/8"0.047"-Rockwell 140HV-£19.771
BU38210.037.01503/8"13/32"1 1/2"0.051"+0.047" to +0.08"Rockwell 140HV-£20.771
JU38210.037.03003/8"13/32"3"0.063"-Rockwell 140HV-£85.041
KU38210.018.01003/16"7/32"1"0.051"+0.047" to +0.08"Rockwell 140HV-£10.691
LU38210.018.00753/16"7/32"3/4"0.047"---58°F to +302°F£4.84100
MU38210.018.01503/16"7/32"1 1/2"0.047"-Rockwell 140HV-£15.831
BU38210.031.01505/16"11/32"1 1/2"0.051"+0.047" to +0.08"Rockwell 140HV-£20.631
NU38210.031.02505/16"11/32"2 1/2"0.063"-Rockwell 140HV-£53.051
BU38210.031.01255/16"11/32"1 1/4"0.051"+0.047" to +0.08"Rockwell 140HV-£15.451
OU38210.031.02005/16"11/32"2"0.047"---£29.201
PU38210.031.01625/16"11/32"1 5/8"0.051"+0.047" to +0.08"Rockwell 140HV-£18.351
QU38210.031.03005/16"11/32"3"0.063"-Rockwell 140HV-£76.301
APPROVED VENDOR -

Yellow Zinc Plated Steel Oversized Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessTemp. RangePrice (inc. VAT)Pkg. Qty.
AU38405.150.00011 1/2"1.563"3"1/4"---£18.851
BU38405.125.00011 1/4"1 3/8"2 1/2"1/4"---£11.041
CU38405.112.00011 1/8"1 3/16"2 1/4"1/4"---£12.721
DU38405.137.00011 3/8"1.438"2 3/4"1/4"---58°F to +302°F£17.221
EU38405.100.00011"1.063"2"1/4"---£8.001
FU38405.050.00011/2"17/32"1 1/16"13/64"-0.013" to +0.005"Rockwell C43-£54.4850
GU38405.025.00011/4"9/32"5/8"0.094"---58°F to +302°F£8.081
HU38405.075.00013/4"0.781"1 15/32"0.156"---£15.451
IU38405.037.00013/8"13/32"13/16"1/8"---58°F to +302°F£14.481
J2KKF53/8"13/32"13/16"1/8"-0.015" to +0.001"Rockwell C43-£7,447.624
KU38405.062.00015/8"21/32"1 5/16"0.156"---58°F to +302°F£15.451
LU38405.031.00015/16"11/32"11/16"0.094"---58°F to +302°F£6.841
M2KKF45/16"11/32"11/16"3/32"-0.004" to +0.015"Rockwell C43-£3,578.097
NU38405.087.00017/8"15/16"1 3/4"1/4"---58°F to +302°F£15.9810
OU38405.043.00017/16"15/32"29/32"1/8"---58°F to +302°F£8.001
PU38405.056.00019/16"19/32"1.156"0.156"---58°F to +302°F£10.131
StyleModelFits Bolt SizesInside Dia.ThicknessSquare WidthWasher TypeMaterialFinish
AC781-1/2-EG1/2"9/16"3/16"3"Square WasherSteelElectro Galvanized
RFQ
AC781-3/8EG3/8"7/16"3/16"3"Square WasherSteelElectro Galvanized
RFQ
AC781-5/8EG5/8"11/16"-3"Square WasherSteelElectro Galvanized
RFQ
StyleModelFits Bolt SizesInside Dia.Washer TypeMaterialFinish
ABFVFW1-1"Round WasherPVCPlain
RFQ
ABFVFW1/21/2"-Round WasherPVCPlain
RFQ
ABFVFW3/43/4"-Round WasherPVCPlain
RFQ
ABFVFW3/83/8"-Round WasherPVCPlain
RFQ
ABFVFW5/85/8"-Round WasherPVCPlain
RFQ
StyleModelFits Bolt SizesInside Dia.ThicknessApplicationWasher TypeMaterialFinish
AB450-1/2ZN1/2"9/16"11 ga.Strut Fittings, BF-FTGS, UU WasherSteelZinc Plated
RFQ
AB450-3/4ZN3/4"13/16"11 ga.-U WasherSteelZinc Plated
RFQ
APPROVED VENDOR -

Black Oxide Steel Thick Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessWasher TypeMaterialPrice (inc. VAT)
AZ8962H1"1 1/16"2"1/4"-0.03" to +0.03"Rockwell C40Thick Flat WasherSteel£10.96
BZ8950H1/4"5/16"2"1/4"-0.03" to +0.03"Rockwell C40Thick Flat WasherSteel£3.10
CZ8958H3/4"0.812"2"1/4"-0.03" to +0.03"Rockwell C40Thick Flat WasherSteel£9.83
DZ8952H3/8"7/16"2"1/4"-0.03" to +0.03"Rockwell C40Thick Flat WasherSteel£7.29
EZ8956H5/8"11/16"2"1/4"-0.03" to +0.03"Rockwell C40Thick Flat WasherSteel£9.63
FZ8960H7/8"15/16"2"1/4"-0.03" to +0.03"Rockwell C40Thick Flat WasherSteel£6.79
-

Black Oxide Steel Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessColorTensile StrengthPrice (inc. VAT)Pkg. Qty.
AZ9085#41/8"5/16"5/64"-0.004" to +0.005"Rockwell C4--£8.9325
BB38402.013.0001#65/32"3/8"2/41"--Silver-£380.3716
CZ9086#65/32"3/8"5/64"-0.004" to +0.005"Rockwell C4--£8.3525
DZ9087#83/16"7/16"5/64"-0.004" to +0.005"Rockwell C4--£5.6825
EZ9094#100.203"1/2"3/32"-0.004" to +0.005"Rockwell C4--£5.8925
FZ9180-BEV#100.203"1/2"3/32"-0.004" to +0.005"Rockwell B55--£16.5125
GZ9180-BEV-H#100.203"1/2"3/32"-0.004" to +0.005"Rockwell C4--£19.8225
HZ9191-BEV1 1/4"1 9/32"2 1/4"5/16"-0.01" to +0.01"Rockwell B55--£9.251
IZ91051 1/4"1 9/32"2 1/2"9/32"-0.02" to +0.005"Rockwell C4--£19.625
JZ9191-BEV-H1 1/4"1 9/32"2 1/4"5/16"-0.01" to +0.01"Rockwell C4--£13.751
KU04035.125.00011 1/4"1 1/4"2 1/2"0.136" to 0.177"----£6.471
LZ9190-BEV1 1/8"1.156"2 1/4"5/16"-0.01" to +0.01"Rockwell B55--£8.961
LZ9190-BEV-H1 1/8"1.156"2 1/4"5/16"-0.01" to +0.01"Rockwell C4--£9.631
MU04035.112.00011 1/8"1 1/8"2 1/4"0.136" to 0.177"----£4.761
NZ91041 1/8"1.156"2 1/4"7/32"-0.02" to +0.005"Rockwell C4--£47.175
OB38402.175.00011 3/4"1 7/8"4"0.156"--Silver-£80.3640
PZ9189-BEV1"1.031"2"5/16"-0.01" to +0.01"Rockwell B55--£6.861
QZ92081"1.031"2"9/32"-0.02" to +0.005"Rockwell C4--£15.011
RZ9189-BEV-H1"1.031"2"5/16"-0.01" to +0.01"Rockwell C4--£10.061
SB38403.100.00011"1.031"2"0.156"--Silver-£305.10210
TU04035.100.00011"1"2"0.136" to 0.177"----£8.021
UZ91031"1.031"2"3/16"-0.02" to +0.005"Rockwell C4--£41.245
VB04035.100.00011"1"2"0.136" to 0.177"-----240
RFQ
WZ90991/2"17/32"1 1/8"1/8"-0.004" to +0.005"Rockwell C4--£12.3125
XB38403.050.00011/2"17/32"1 1/8"1/8"--Silver-£274.53950
StyleModelFits Bolt SizesThicknessInside Dia.Square WidthWasher TypeMaterialFinish
AAB241-1/2-HDG1/2"1/4"9/16"1 1/2"Located WasherSteelHot Dip Galvanized
RFQ
AAB241-3/8-HDG3/8"3/16"-1 1/2"Located WasherSteelHot Dip Galvanized
RFQ
12...1415

Flat Washers

Flat washers are used with threaded fasteners for distributing the load uniformly and reducing frictional losses during screw tightening. These units are used for providing spacing and electrical insulation in control boxes. Raptor Supplies offers a wide array of flat washers from Accurate Mfd Products, Apollo, Armor Coat, C. Sherman Johnson, Dynaform, Earnest, Fabory, Foreverbolt, Grainger, Master Products, Metric Blue, TE-CO and Micro Plastics.

Frequently Asked Questions

What is the difference between flat washers and lock washers?

  • Flat washers are ideal for increasing surface area and distributing the applied force when tightening a fastener. They can be used on the fastener's bolt & nut sides, or used as spacers when using a bolt may not be appropriate.
  • Lock washers produce tension during tightening to control the loosening of nuts. They are commonly used on the fastener's nut side for applications involving vibrations.

How to install a flat washer?

  • Place the flat washer between the threaded fastener (like a nut) and the screw / bolt head.
  • Make sure that the washer presses against the fastener & other adjacent surfaces to form a tight connection. Press the fastener down to lock the grooves of a serrated washer with the grooves of the nut.
  • Use a wrench or ratchet to tighten the nut / threaded fastener.
  • Ensure that the teeth of a serrated washer are covered completely by the nut / fastener head, or that a split washer is slightly out of alignment. This indicates tension on the threaded fastener. Users may loosen the nut / threaded fastener to adjust the washer if it is not operating correctly.

How to remove a flat washer?

  • Simply remove the nut / threaded fastener that is holding the washer in place using a vice-grip or pipe wrench.
  • Use a flat screwdriver to pry a lock washer off. When removing a split washer, the screwdriver head should be placed inside the split or beneath the washer and pushed. When removing a washer having teeth, the screwdriver head should be placed under a tooth and pushed up, repeating the procedure with more teeth if required. For other flat washer types, the screwdriver head can be placed below the washer and pushed up. The washer may break during removal, depending on the amount of pressure being applied.
  • If the flat washer does not budge, use penetrating oil and repeat the previous step.
  • Some flat washers can be used multiple times easily. Other washers (split lock) can be used only 1 or 2 times. Users should not reuse a split flat washer or other damaged washers. Do not use old washers in high-stress joint applications.

We are here to help!

Looking for a part not listed here?