What standards do these nuts comply with?

ANSI RoHS ASME DIN FDA ISO SAE UL

Why are hex nuts easy to turn?

Hexagonal-shaped nuts are easier to turn than other types of fasteners as they have six parallels and require less turning distance / radius. They only need one-sixth or 30 degrees of turning each time to reach the next flat parallel.

How are male or female NPSM threads installed to seal connections?

If you are mating NPSM threads with NPTF or NPT threads, make use of sealant or pipe tape to assure liquid and air-tight sealing.

What is the difference between internal and external drive styles?

The tool needed to tighten a fastener depends on its drive type. Deeper grooves and more points of contact on internal drive designs provide a sturdy grip and need less power to tighten. On the other hand, even lesser force is required to tighten external drive types as they may be secured using a wrench or socket.

How to determine fasteners' strength through Grade or Class?

SAE: They are used for Imperial fasteners. The higher the grade, the stronger the fastener. Fasteners with the same grade are designed to be used together. They include SAE Grade 2, 5 and 8 fasteners for light to heavy fastening / stress applications. ISO: Metric fasteners have classifications according to ISO standards. The higher the class, the stronger the fastener. Fasteners with the same first digit are used together. They are available in ISO Class 4, 5, 6, 8, 10 and 12 for light duty fastening or high-stress applications. ASTM: ASTM grades fasteners based on strength. They are available in ASTM Grade 2H, 7, 8, 8M and DH for high strength, stress, pressure & temperature applications. ASTM Grade C units are medium-strength steel nuts. ASME: They are available in Grade F & G for medium or high-stress applications.

Hex Nuts | Raptor Supplies United Kingdom

GRAINGER -

Carbon Steel Hex Nut, Yellow Zinc Finish

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Style	Model	Dia./Thread Size	Finish	Height	Thread Type	Width	Price (inc. VAT)
A	A04120.100.0001	1-8	Plain	55/64"	UNC (Coarse)	1.5"	£262.02
B	N04120.100.0001	1-8	Plain	55/64"	UNC (Coarse)	1.5"	£16.37
C	A04122.100.0001	1-8	Zinc Yellow	55/64"	UNC (Coarse)	1.5"	£225.13
D	N04122.100.0001	1-8	Zinc Yellow	55/64"	UNC (Coarse)	1.5"	£20.88
E	N04180.100.0003	1-14	Plain	55/64"	UNS	1.5"	£15.67
F	A04180.100.0003	1-14	Plain	55/64"	UNS	1.5"	£262.08
G	N04120.050.0001	1/2"-13	Plain	7/16"	UNC (Coarse)	3/4"	£38.66
H	A04120.050.0001	1/2"-13	Plain	7/16"	UNC (Coarse)	3/4"	£735.41
I	N04180.050.0002	1/2"-20	Plain	7/16"	UNF (Fine)	3/4"	£33.33
F	A04180.050.0002	1/2"-20	Plain	7/16"	UNF (Fine)	3/4"	£481.14
J	N04120.025.0001	1/4"-20	Plain	7/32"	UNC (Coarse)	7/16"	£37.36
K	A04120.025.0001	1/4"-20	Plain	7/32"	UNC (Coarse)	7/16"	£1,764.17
F	A04180.025.0002	1/4"-28	Plain	7/32"	UNF (Fine)	7/16"	£656.91
L	A04181.025.0002	1/4"-28	Zinc Yellow	7/32"	UNF (Fine)	7/16"	£687.29
M	N04181.025.0002	1/4"-28	Zinc Yellow	7/32"	UNF (Fine)	7/16"	£13.50
N	N04180.025.0002	1/4"-28	Plain	7/32"	UNF (Fine)	7/16"	£15.07
O	N04122.075.0001	3/4"-10	Zinc Yellow	41/64"	UNC (Coarse)	1.125"	£32.06
P	A04120.075.0001	3/4"-10	Plain	41/64"	UNC (Coarse)	1.125"	£251.04
Q	A04122.075.0001	3/4"-10	Zinc Yellow	41/64"	UNC (Coarse)	1.125"	£224.01
R	N04120.075.0001	3/4"-10	Plain	41/64"	UNC (Coarse)	1.125"	£26.78
F	A04180.075.0002	3/4"-16	Plain	41/64"	UNF (Fine)	1.125"	£261.10
S	N04180.075.0002	3/4"-16	Plain	41/64"	UNF (Fine)	1.125"	£27.64
T	N04181.075.0002	3/4"-16	Zinc Yellow	41/64"	UNF (Fine)	1.125"	£28.83
U	A04181.075.0002	3/4"-16	Zinc Yellow	41/64"	UNF (Fine)	1.125"	£344.73
V	N04120.037.0001	3/8"-16	Plain	21/64"	UNC (Coarse)	9/16"	£115.07

APPROVED VENDOR -

Hex Nut Full 0.45, 5 mm

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B

Style	Model	Dia./Thread Size	Thread Size	Price (inc. VAT)
A	6CA67	M2.5-0.45	M2.5 x 0.45	£3.07
B	6CA68	M2.6-0.45	M2.6 x 0.45	£2.63

GORLITZ -

Hex Bolts

A

Style	Model	Price (inc. VAT)
A	T01 120	£0.73	RFQ
A	T01A 123	£1.22	RFQ
A	T01 123	£1.22	RFQ
A	T01A 122	£1.22	RFQ
A	T01A 120	£0.73	RFQ
A	T01 122	£1.22	RFQ

MIDWEST ACORN NUT -

Hex Nuts

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Style	Model	Dia./Thread Size	Height	Width	Price (inc. VAT)
A	MPB652	1/4"-20	7/32"	7/16"	£29.28
B	MPB653	1/4"-28	7/32"	7/16"	£37.47
C	MPB656	3/8"-16	21/64"	9/16"	£49.86
D	MPB657	3/8"-24	21/64"	9/16"	£48.37
C	MPB654	5/16"-18	17/64"	1/2"	£38.24
C	MPB655	5/16"-24	17/64"	1/2"	£43.71

MICRO PLASTICS -

Hex Nuts

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Style	Model	Dia./Thread Size	Finish	Height	System of Measurement	Thread Size	Thread Type	Width	Price (inc. VAT)
A	0487509HN	-	Natural	3/4"	Inch	7/8-9	UNC	1 9/32"	£6.64
B	0487509HNB	-	Black	3/4"	Inch	7/8-9	UNC	1 9/32"	£0.72
C	0400256HN	#2-56	Natural	5/64"	Inch	-	UNC	3/16"	£5.26
D	0400440HN	#4-40	Natural	7/64"	Inch	-	UNC	1/4"	£5.20
E	0400632HNB	#6-32	Black	1/8"	Inch	-	UNC	5/16"	-	RFQ
F	0400632HN	#6-32	Natural	1/8"	Inch	-	UNC	5/16"	£4.69
A	0400832HN	#8-32	Natural	1/8"	Inch	-	UNC	1/3"	£5.92
G	0401024HN	#10-24	Natural	9/64"	Inch	-	UNC	23/64"	£5.35
H	0401024HNB	#10-24	Black	9/64"	Inch	-	UNC	23/64"	£1.37
A	0401032HN	#10-32	Natural	9/64"	Inch	-	UNF	23/64"	£5.35
I	0410008HN	1"-8	Natural	7/8"	Inch	-	UNC	1 15/32"	£15.54
J	0450013HN	1/2"-13	Natural	7/16"	Inch	-	UNC	3/4"	£7.89
B	0425020HNB	1/4"-20	Black	15/64"	Inch	-	UNC	27/64"	-	RFQ
K	0425020HN	1/4"-20	Natural	15/64"	Inch	-	UNC	27/64"	£5.07
L	0425028HN	1/4"-28	Natural	15/64"	Inch	-	UNF	27/64"	£6.97
B	0475010HNB	3/4"-10	Natural	41/64"	Inch	-	UNC	1 3/32"	-	RFQ
M	0475010HN	3/4"-10	Natural	41/64"	Inch	-	UNC	1 3/32"	-	RFQ
N	0437516HNB	3/8"-16	Black	1/3"	Inch	-	UNC	9/16"	-	RFQ
A	0437516HN	3/8"-16	Natural	1/3"	Inch	-	UNC	9/16"	£4.49
O	0462511HNB	5/8"-11	Black	35/64"	Inch	-	UNC	59/64"	£2.02
P	0462511HN	5/8"-11	Natural	35/64"	Inch	-	UNC	59/64"	£8.58
Q	0431218HNB	5/16"-18	Black	17/64"	Inch	-	UNC	1/2"	-	RFQ
A	0431218HN	5/16"-18	Natural	17/64"	Inch	-	UNC	1/2"	£4.17
R	04M020040HN	M2-0.4	Natural	1.2mm	Metric	M2 x 0.4	Metric	3.9mm	£6.91
S	04M030050HN	M3 x 0.5	Natural	2.2mm	Metric	M3 x 0.5	Metric	5.4mm	£6.16

SUPER-STRUT -

E145 Series Hex Nut

A

Style	Model	Finish	Height	Material	Size	Thread Size	Width
A	E145-1/4SS6	-	7/32"	Stainless Steel	1/4"	1/4"	7/16"	RFQ
A	E145-1/4SS	-	7/32"	Stainless Steel	1/4"	1/4"	7/16"	RFQ
A	E-145-3/8-SS	-	21/64"	Stainless Steel	3/8"	3/8"	9/16"	RFQ
A	E145-5/16SS6	-	17/64"	Stainless Steel	5/16"	5/16-18	1/2"	RFQ
A	E145-3/8SS6	-	-	Stainless Steel	3/8"	3/8"	-	RFQ
A	E145-1/2SS316	-	7/16"	Stainless Steel	1/2"	1/2"	3/4"	RFQ
A	E145-1/2-SS	-	-	Stainless Steel	1/2"	1/2"	-	RFQ
A	E145-1/2SS6	Electro-Galvanized	-	Stainless Steel	1/2"	1/2"	-	RFQ
A	E145-5/16	Gold Galvanized	17/64"	Steel	5/16"	5/16-18	1/2"	RFQ
A	E145-1/2	Gold Galvanized	-	Steel	1/2"	1/2"	-	RFQ
A	E145-3/8	Gold Galvanized	-	Steel	3/8"	3/8"	-	RFQ
A	E145-3/4	Gold Galvanized	41/64"	Steel	3/4"	3/4"	1-1/8"	RFQ
A	E145-7/8	Gold Galvanized	3/4"	Steel	7/8"	7/8-9	1-5/16"	RFQ
A	E145-5/8	Gold Galvanized	35/64"	Steel	5/8"	5/8-11	15/16"	RFQ
A	E145-1/4	Gold Galvanized	-	Steel	1/4"	1/4"	-	RFQ

BURNDY -

Durium Series Hex Nut

A

Style	Model	Bolt Size	Thread Size
A	50CHENBOX	1/2"	1/2-13	£3.59
A	25CHENBOX	1/4"	1/4-20"	RFQ
A	38CHENBOX	3/8"	3/8-16"	£1.92
A	62CHENBOX	5/8"	5/8-11	RFQ

GRAINGER -

18-8 Stainless Steel Hex Nut, Plain Finish

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Style	Model	Dia./Thread Size	Grade	Height	Width	Price (inc. VAT)
A	U51081.150.0001	1 1/2-6"	18-8	1 15/32"	2.375"	£122.05
B	U55081.150.0001	1 1/2-6"	316	-	-	£217.75
C	U55081.125.0001	1 1/4-7"	316	-	-	£91.98
D	U55081.112.0001	1 1/8-7"	316	-	-	£67.50
E	U55081.100.0001	1-8	316	-	-	£55.83
F	U51081.050.0001	1/2"-13	18-8	31/64"	7/8"	£15.87
G	U55081.050.0001	1/2"-13	316	-	-	£20.82
H	U55081.025.0001	1/4"-20	316	-	-	£9.09
I	U51081.025.0001	1/4"-20	18-8	15/64"	1/2"	£5.35
J	U51081.075.0001	3/4"-10	18-8	47/64"	1.25"	£44.62
K	U55081.037.0001	3/8"-16	316	-	-	£17.29
L	U51081.037.0001	3/8"-16	18-8	23/64"	11/16"	£15.89
M	U51081.062.0001	5/8"-11	18-8	39/64"	1 1/16"	£31.10
N	U55081.062.0001	5/8"-11	316	-	-	£35.96
O	U51081.031.0001	5/16"-18	18-8	19/64"	9/16"	£7.03
P	U55081.031.0001	5/16"-18	316	-	-	£13.09
Q	U55081.087.0001	7/8"-9	316	-	-	£22.86
R	U51081.087.0001	7/8"-9	18-8	55/64"	1.437"	£14.54
S	U55081.043.0001	7/16"-14	316	-	-	£16.97
T	U55081.056.0001	9/16"-12	316	-	-	£100.03
U	U51081.056.0001	9/16"-12	18-8	35/64"	15/16"	£129.73

APPROVED VENDOR -

Steel Hex Nut, Zinc Finish

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Style	Model	Basic Material	Dia./Thread Size	Grade	Height	System of Measurement	Thread Size	Thread Type	Width	Price (inc. VAT)
A	M01300.160.0001	Carbon Steel	M16 x 2	Class 8	13mm	Metric	-	Metric	24mm	£10.47
B	M01300.300.0001	Carbon Steel	M30 x 3.5	Class 8.8	24mm	Metric	-	Metric	46mm	£24.94
C	M01300.120.0001	Carbon Steel	M12 x 1.75	Class 8	10mm	Metric	-	Metric	19mm	£8.37
B	M01300.200.0001	Carbon Steel	M20 x 2.5	Class 8.8	16mm	Metric	-	Metric	30mm	£7.28
D	M01300.360.0001	Carbon Steel	M36 x 4	Class 8.8	29mm	Metric	-	Metric	55mm	£18.71
E	U01330.150.0002	Steel	1 1/2-12"	5	1 9/32"	Inch	13	UNF	2.25"	£34.36
B	U01300.150.0001	Steel	1 1/2-6"	5	1 9/32"	Inch	7	UNC	2.25"	£27.30
F	M01301.050.0001	Steel	M5 x 0.8	Class 8.8	4mm	Metric	-	Metric	8mm	£5.84
B	M01301.080.0001	Steel	M8 x 1.25	Class 8.8	6.5mm	Metric	-	Metric	13mm	£7.04
G	U08161.150.0002	Steel	1 1/2-12"	2	1 9/32"	Inch	13	UNF	2.25"	£37.75
B	U08110.150.0001	Steel	1 1/2-6"	2	1 9/32"	Inch	7	UNC	2.25"	£35.72
B	U04162.112.0002	Steel	1 1/8-12"	8	31/32"	Inch	13	UNF	1 11/16"	£26.76
H	M01301.040.0001	Steel	M4 x 0.7	Class 8.8	3.2mm	Metric	M4 x 0.7	Metric	7mm	£2.61
I	M01301.060.0001	Steel	M6 x 1	Class 8.8	5mm	Metric	-	Metric	10mm	£4.32
B	M01301.100.0001	Steel	M10 x 1.5	Class 8.8	8mm	Metric	-	Metric	17mm	£11.09

APPROVED VENDOR -

Hex Nut Full M12

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C

Style	Model	Dia./Thread Size	Height	Width	Price (inc. VAT)
A	6CB22	M12 x 1.5	10mm	19mm	£19.32
B	6CB20	M12 x 1.25	10mm	19mm	£24.36
C	6CB24	M14 x 1.5	11mm	22mm	£15.09

GRAINGER -

Hex Nut 7/8 Carbon Steel

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Style	Model	Finish	Grade	Rockwell Hardness	Price (inc. VAT)
A	U04225.087.0001	Hot Dipped Galvanized	DH	C24 to C38	£7.23
B	U04025.087.0001	Plain	C	B78 to C38	£8.27
C	U04026.087.0001	Plain	A563	C24 to C38	£9.64

APPROVED VENDOR -

Silicon Bronze Hex Nut, Plain Finish

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Style	Model	Dia./Thread Size	Height	Width	Price (inc. VAT)
A	1WE60	1"-8	55/64"	1.5"	£29.73
B	1WE52	1/2"-13	7/16"	3/4"	£58.82
C	1WE46	1/4"-20	7/32"	7/16"	£29.80
D	1WE56	3/4"-10	41/64"	1.125"	£13.01
E	1WE50	3/8"-16	21/64"	9/16"	£28.98
F	1WE54	5/8"-11	35/64"	15/16"	£51.96
G	1WE48	5/16"-18	17/64"	1/2"	£38.76
H	1WE58	7/8"-9	3/4"	1 5/16"	£25.96

GRAINGER -

Hex Nut 1/2 Steel

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Style	Model	Finish	Grade	Rockwell Hardness	Price (inc. VAT)
A	U04225.050.0001	Hot Dipped Galvanized	DH	C24 to C38	£53.22
B	U04025.050.0001	Plain	C	B78 to C38	£7.33
C	U04026.050.0001	Plain	A563	C24 to C38	£38.30

GRAINGER -

Jam Hex Nut - Heavy, Steel

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B

Style	Model	Thread Direction	Price (inc. VAT)
A	81296 2	Left Hand	£1.82
B	81272 6	Right Hand	£16.45

APPROVED VENDOR -

316 Stainless Steel Hex Nut, Plain Finish

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Style	Model	Dia./Thread Size	Height	Rockwell Hardness	Thread Type	Type	Width	Price (inc. VAT)
A	U55740.011.0001	#4-40	3/32"	-	UNC	Machine Screw	1/4"	£9.67
B	U55740.013.0001	#6-32	7/64"	-	UNC	Machine Screw	5/16"	£28.13
C	U55740.016.0001	#8-32	1/8"	-	UNC	Machine Screw	11/32"	£12.68
C	U55740.019.0001	#10-24	1/8"	-	UNC	Machine Screw	3/8"	£9.01
C	U55740.019.0002	#10-32	1/8"	-	UNF	Machine Screw	3/8"	£9.30
D	1WB98	1 1/8-7"	31/32"	B80	UNC	Full	1 11/16"	£12.43
E	U55080.100.0001	1"-8	55/64"	B80 to C32	UNC	Full	1.5"	£21.69
F	U55080.050.0001	1/2"-13	7/16"	B80 to C32	UNC	Full	3/4"	£12.90
F	U55080.037.0001	3/8"-16	21/64"	B80 to C32	UNC	Full	9/16"	£13.19
G	U55080.087.0001	7/8"-9	3/4"	B80 to C32	UNC	Full	1 5/16"	£15.01

ANVIL -

Hex Nuts

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Style	Model	Price (inc. VAT)
A	FIG AS 83	-	RFQ
B	FIG MB	-	RFQ
C	0500364617	£0.60	RFQ
C	0500364633	£1.35	RFQ
C	0500364625	£0.76	RFQ
C	0500364658	£3.31	RFQ
C	0500364641	£1.91	RFQ

APPROVED VENDOR -

Low Carbon Steel Hex Nut, Plain Finish

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Style	Model	Basic Material	Dia./Thread Size	Grade	Height	Property Class	Rockwell Hardness	Size	System of Measurement	Price (inc. VAT)
A	1XA79	-	-	-	35/64"	-	B68 to C32	-	-	£38.67
B	HNFI8175-001P	-	-	8	1.5"	8	C26 to C34	1 3/4-12	-	£24.18
A	1XA73	-	-	-	17/64"	-	B68 to C32	-	-	£31.40
C	12P534	Carbon Steel	1"-14	5	55/64"	5	RC32 max.	-	Inch	£7.65
D	4RVR9	Carbon Steel	7/8"-9	C	55/64"	C	B78 to C38	-	Inch	£232.48
E	4VPK3	Carbon Steel	1 3/4-12"	8	1 15/32"	8	C26 to C36	1 3/4-12	Inch	-	RFQ
F	4RVN9	Carbon Steel	1 7/8-8"	2H	1 27/32"	2H	B95 to C35	1 7/8-8"	Inch	£272.14
A	4RVN7	Carbon Steel	2-4-1/2"	2H	1 31/32"	2H	B95 to C35	2 to 4 1/2	Inch	£302.63
G	4RVP5	Carbon Steel	1 1/2-6"	2H	1 15/32"	2H	B95 to C35	1 1/2-6"	Inch	£497.09
H	3HEE5	Carbon Steel	1 3/8-6"	5	1 11/64"	5	C32 max.	-	Inch	£32.25
A	3HDY8	Carbon Steel	1 3/4-5"	8	1.5"	8	C26 to C36	-	Inch	£19.05
A	3HDY4	Carbon Steel	1 3/8-6"	8	1 11/64"	8	C26 to C36	-	Inch	£9.00
I	U22280.031.0001	Carbon Steel	5/16"-18	2H	19/64"	2H	C24 to C38	-	Inch	£8.72
J	4RVT1	Carbon Steel	5/8"-11	2H	39/64"	2H	C24 to C35	-	Inch	£377.24
A	4RXP8	Carbon Steel	1 3/4-5"	8	1 15/32"	8	C26 to C36	1 3/4-5	Inch	£363.09
K	4RVR7	Carbon Steel	1"-8	C	63/64"	C	B78 to C38	-	Inch	£262.89
L	4RVN8	Carbon Steel	2-8"	2H	1 31/32"	2H	B95 to C35	2-8	Inch	£332.92
M	318420-PG	Carbon Steel	1 1/2-6"	2	1 15/32"	2	B68 to C32	-	Inch	£96.96	RFQ
N	3HDY5	Carbon Steel	1 3/8-12"	8	1 11/64"	8	C26 to C36	-	Inch	£7.90
O	3HDY9	Carbon Steel	2-4-1/2"	8	1 23/32"	8	C26 to C36	-	Inch	£22.37
P	3HDZ1	Carbon Steel	2-12"	8	1 23/32"	8	C26 to C36	-	Inch	£19.69
Q	4RVP8	Carbon Steel	1 1/4-7"	2H	1 7/32"	2H	C24 to C35	1 1/4-7"	Inch	£288.72
R	5GAZ8	Carbon Steel	M30 x 3.5	Class 10	24mm	10	C27 to C35	M30 x 3.5	Metric	£6.21
A	4RVR3	Carbon Steel	1 1/8-8"	2H	1 7/64"	2H	C24 to C35	1 1/8-8"	Inch	£359.67
S	4RXR1	Carbon Steel	2-12"	8	1.75"	8	C26 to C36	2-12	Inch	£227.36

APPROVED VENDOR -

Low Carbon Steel Hex Nut, Yellow Zinc-Plated Finish

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Style	Model	Dia./Thread Size	Grade	Height	Property Class	Rockwell Hardness	System of Measurement	Thread Size	Thread Type	Price (inc. VAT)
A	3HED2	1 3/4-5"	8	1.5"	8	C26 to C36	Inch	6	UNC	£22.84
B	3HEC7	1 3/8-6"	8	1 11/64"	8	C26 to C36	Inch	7	UNC	£8.09
C	3HEC8	1 3/8-12"	8	1 11/64"	8	C26 to C36	Inch	13	UNF	£10.81
D	3HED3	2-4-1/2"	8	1 23/32"	8	C26 to C36	Inch	2.5	UNC	£39.57
E	3HED4	2-12"	8	1 23/32"	8	C26 to C36	Inch	2-12	UNF	£43.75
C	4RXN3	2-12"	8	1.75"	8	C26 to C36	Inch	-	UNF	£316.32
F	4RXP3	7/8"-9	8	3/4"	8	C26 to C34	Inch	-	UNC	£438.89
G	6CA54	M3 x 0.5	Class 10	2.4mm	10	C36 max.	Metric	M3 x 0.5	Metric	£36.13
H	6CA55	M4 x 0.7	Class 10	3.2mm	10	C36 max.	Metric	M4 x 0.7	Metric	£23.20
I	6CA56	M5 x 0.8	Class 10	4mm	10	C36 max.	Metric	-	Metric	£13.87
J	5ZY61	M30 x 3.5	Class 10	24mm	10	C36 max.	Metric	-	Metric	£8.79
K	5ZY63	M36 x 4	Class 10	29mm	10	C36 max.	Metric	-	Metric	£14.00

WOODHEAD -

130226 Series Hex Jam Nut

A

Style	Model
A	1302260495	RFQ
A	1302260483	RFQ

GRAINGER -

Hex Nut 1-1/8 Steel

A

B

C

Style	Model	Finish	Grade	Rockwell Hardness	Thread Size	Price (inc. VAT)
A	U04225.112.0001	Hot Dipped Galvanized	DH	C24 to C38	1 1/8-7	£18.45
B	U04025.112.0001	Plain	C	B78 to C38	1 1/8-7	£17.39
C	U04026.112.0001	Plain	A563	C24 to C38	1.125"	£19.74

APPROVED VENDOR -

A4 Stainless Steel (Comparable to 316 Stainless Steel) Hex Jam Nut, Plain Finish

A

B

C

D

Style	Model	Dia./Thread Size	Height	Width	Price (inc. VAT)
A	6CB51	M6 x 1	3.2mm	10mm	£14.62
B	6CB52	M8 x 1.25	4mm	13mm	£21.04
C	6CB53	M10 x 1.5	5mm	17mm	£17.52
D	6CB54	M12 x 1.75	6mm	19mm	£15.99

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130226 Series Hex Jam Nut

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