Are Acorn nuts the same as cap nuts?

Acorn nuts are also known as cap nuts, crown hex nuts, domed cap nuts or dome nuts, as they have a domed end on one side.

Acorn Nuts

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Acorn nuts have a domed top. They are threaded onto a bolt and work as a cover to protect the internal threads / bolt ends from contaminants. Raptor Supplies offers a wide range of acorn...Read more

MICRO PLASTICS -

Style	Model	Dia./Thread Size	Height	System of Measurement	Thread Depth	Thread Type	Width	Price (inc. VAT)
A	0500440CN	#4-40	9/32"	Inch	11/64"	UNC	1/4"	£8.75
B	0500632CN	#6-32	11/32"	Inch	13/64"	UNC	5/16"	£8.42
C	0500832CN	#8-32	3/8"	Inch	7/32"	UNC	1/3"	£7.69
D	0501024CN	#10-24	13/32"	Inch	7/32"	UNC	23/64"	£8.47
E	0501032CN	#10-32	13/32"	Inch	7/32"	UNF	23/64"	£7.25
F	0550013CN	1/2"-13	13/16"	Inch	5/16"	UNC	3/4"	£11.99
G	0525020CN	1/4"-20	15/32"	Inch	15/64"	UNC	27/64"	£6.67
H	0525028CN	1/4"-28	15/32"	Inch	1/4"	UNF	27/64"	£7.18
I	0537516CN	3/8"-16	5/8"	Inch	3/8"	UNC	9/16"	£8.73
J	0537524CN	3/8"-24	5/8"	Inch	3/8"	UNC	9/16"	£6.18
K	0562511CN	5/8"-11	31/32"	Inch	1/2"	UNC	31/32"	-	RFQ
L	0531218CN	5/16"-18	17/32"	Inch	3/8"	UNC	1/2"	£5.57
M	0531224CN	5/16"-24	17/32"	Inch	23/64"	UNF	1/2"	£5.42
N	05M040070CN	M4 x 0.7	8mm	Metric	5mm	Metric	7mm	£6.51
O	05M050080CN	M5 x 0.8	10mm	Metric	6.8mm	Metric	8mm	£6.86
P	05M080125CN	M8 x 1.25	15mm	Metric	8mm	Metric	13mm	£4.89

Style	Model	Dia./Thread Size	Height	Thread Depth	Type	Width	Price (inc. VAT)
A	Z0334-ALU	1/2"-13	1.031"	5/8"	Hi Crown	0.736 to 0.75"	£21.75
B	Z0348-ALU	1/2"-13	2"	1.5"	Hi Crown Flattened Head	0.736 to 0.75"	£28.72
C	Z0335-ALU	1/2"-13	1.437"	1"	Hi Crown	0.736 to 0.75"	£21.98
D	Z0337-ALU	1/2"-13	2"	1.5"	Hi Crown	0.736 to 0.75"	£24.51
E	Z0347-ALU	1/2"-13	1.75"	1.25"	Hi Crown Flattened Head	0.736 to 0.75"	£28.10
F	Z0336-ALU	1/2"-13	1.75"	1.25"	Hi Crown	0.736 to 0.75"	£27.11
G	Z0338-ALU	1/2"-13	1.031"	5/8"	Hi Crown Flattened Head	0.736 to 0.75"	£19.60
H	Z0339-ALU	1/2"-13	1.437"	1"	Hi Crown Flattened Head	0.736 to 0.75"	£25.71
I	Z0326-ALU	3/8"-16	0.781"	15/32"	Hi Crown	0.551 to 0.562"	£16.33
J	Z0327-ALU	3/8"-16	1.062"	3/4"	Hi Crown	0.551 to 0.562"	£17.61
K	Z0328-ALU	3/8"-16	1 5/16"	1"	Hi Crown	0.551 to 0.562"	£16.45
L	Z0330-ALU	3/8"-16	0.781"	15/32"	Hi Crown Flattened Head	0.551 to 0.562"	£15.76
M	Z0333-ALU	3/8"-16	1 9/16"	1.25"	Hi Crown Flattened Head	0.551 to 0.562"	£17.15
N	Z0331-ALU	3/8"-16	1.062"	3/4"	Hi Crown Flattened Head	0.551 to 0.562"	£17.61
O	Z0332-ALU	3/8"-16	1 5/16"	1"	Hi Crown Flattened Head	0.551 to 0.562"	£19.98
P	Z0329-ALU	3/8"-16	1 9/16"	1.25"	Hi Crown	0.551 to 0.562"	£21.17

Acorn Nut 18-8 Stainless Steel

Style	Model	Dia./Thread Size	Height	Thread Depth	Type	Width	Price (inc. VAT)
A	Z0335-188EP	1/2"-13	1.437"	1"	Hi Crown	0.736 to 0.75"	£47.14
B	Z0336-188EP	1/2"-13	1.75"	1.25"	Hi Crown	0.736 to 0.75"	£53.66
C	Z0347-188EP	1/2"-13	1.75"	1.25"	Hi Crown Flattened Head	0.736 to 0.75"	£51.78
D	Z0334-188	1/2"-13	1.031"	5/8"	Hi Crown	0.736 to 0.75"	£27.31
E	Z0348-188EP	1/2"-13	2"	1.5"	Hi Crown Flattened Head	0.736 to 0.75"	£56.82
F	Z0339-188	1/2"-13	1.437"	1"	Hi Crown Flattened Head	0.736 to 0.75"	£39.88
G	Z0338-188	1/2"-13	1.031"	5/8"	Hi Crown Flattened Head	0.736 to 0.75"	£34.30
H	Z0337-188	1/2"-13	2"	1.5"	Hi Crown	0.736 to 0.75"	£41.18
I	Z0335-188	1/2"-13	1.437"	1"	Hi Crown	0.736 to 0.75"	£40.63
J	Z0337-188EP	1/2"-13	2"	1.5"	Hi Crown	0.736 to 0.75"	£56.82
K	Z0334-188EP	1/2"-13	1.031"	5/8"	Hi Crown	0.736 to 0.75"	£43.24
L	Z0338-188EP	1/2"-13	1.031"	5/8"	Hi Crown Flattened Head	0.736 to 0.75"	£36.43
M	Z0339-188EP	1/2"-13	1.437"	1"	Hi Crown Flattened Head	0.736 to 0.75"	£48.85
N	Z0348-188	1/2"-13	2"	1.5"	Hi Crown Flattened Head	0.736 to 0.75"	£39.73
O	Z0347-188	1/2"-13	1.75"	1.25"	Hi Crown Flattened Head	0.736 to 0.75"	£45.13
P	Z0336-188	1/2"-13	1.75"	1.25"	Hi Crown	0.736 to 0.75"	£43.55
Q	Z0327-188EP	3/8"-16	1.062"	3/4"	Hi Crown	0.551 to 0.562"	£29.28
R	Z0328-188EP	3/8"-16	1 5/16"	1"	Hi Crown	0.551 to 0.562"	£38.39
S	Z0326-188	3/8"-16	0.781"	15/32"	Hi Crown	0.551 to 0.562"	£18.33
T	Z0327-188	3/8"-16	1.062"	3/4"	Hi Crown	0.551 to 0.562"	£23.74
U	Z0333-188EP	3/8"-16	1 9/16"	1.25"	Hi Crown Flattened Head	0.551 to 0.562"	£41.38
V	Z0332-188	3/8"-16	1 5/16"	1"	Hi Crown Flattened Head	0.551 to 0.562"	£23.66
W	Z0331-188	3/8"-16	1.062"	3/4"	Hi Crown Flattened Head	0.551 to 0.562"	£24.60
X	Z0329-188	3/8"-16	1 9/16"	1.25"	Hi Crown	0.551 to 0.562"	£27.21
Y	Z0333-188	3/8"-16	1 9/16"	1.25"	Hi Crown Flattened Head	0.551 to 0.562"	£31.63

GRAINGER -

Style	Model	Dia./Thread Size	Height	Thread Depth	Width	Price (inc. VAT)
A	M16510.040.0001	M4 x 0.7	8mm	3.2mm	7mm	£20.24
B	M16510.050.0001	M5 x 0.8	10mm	4.0mm	8mm	£8.76
C	M16510.100.0001	M10 x 1.5	18mm	8.0mm	17mm	£11.61
D	M16510.120.0001	M12 x 1.75	22mm	10.0mm	19mm	£38.43
E	M16510.140.0001	M14 x 2	25mm	11.0mm	22mm	£23.10
F	M16510.160.0001	M16 x 2	28mm	13.0mm	24mm	£47.75
G	M16510.180.0001	M18 x 2.5	32mm	15.0mm	27mm	£338.70
H	M16510.200.0001	M20 x 2.5	34mm	16.0mm	30mm	£26.78
I	M16510.240.0001	M24 x 3	42mm	19.0mm	36mm	£62.80

Style	Model	Price (inc. VAT)
A	00-836939	£22.28	RFQ
B	00-851373	-	RFQ
B	716940	-	RFQ

Style	Model	Dia./Thread Size	Height	Thread Depth	Type	Width	Price (inc. VAT)
A	Z0334-316	1/2"-13	1.031"	5/8"	Hi Crown	0.736 to 0.75"	£38.90
B	Z0336-316	1/2"-13	1.75"	1.25"	Hi Crown	0.736 to 0.75"	£58.16
C	Z0338-316	1/2"-13	1.031"	5/8"	Hi Crown Flattened Head	0.736 to 0.75"	£46.98
D	Z0339-316	1/2"-13	1.437"	1"	Hi Crown Flattened Head	0.736 to 0.75"	£51.08
E	Z0347-316	1/2"-13	1.75"	1.25"	Hi Crown Flattened Head	0.736 to 0.75"	£56.12
F	Z0348-316	1/2"-13	2"	1.5"	Hi Crown Flattened Head	0.736 to 0.75"	£66.36
G	Z0335-316	1/2"-13	1.437"	1"	Hi Crown	0.736 to 0.75"	£49.29
H	Z0337-316	1/2"-13	2"	1.5"	Hi Crown	0.736 to 0.75"	£66.36
I	Z0326-316	3/8"-16	0.781"	15/32"	Hi Crown	0.551 to 0.562"	£32.02
J	Z0328-316	3/8"-16	1 5/16"	1"	Hi Crown	0.551 to 0.562"	£40.61
K	Z0330-316	3/8"-16	0.781"	15/32"	Hi Crown Flattened Head	0.551 to 0.562"	£33.18
L	Z0332-316	3/8"-16	1 5/16"	1"	Hi Crown Flattened Head	0.551 to 0.562"	£32.25
M	Z0327-316	3/8"-16	1.062"	3/4"	Hi Crown	0.551 to 0.562"	£36.53
N	Z0329-316	3/8"-16	1 9/16"	1.25"	Hi Crown	0.551 to 0.562"	£45.86
O	Z0331-316	3/8"-16	1.062"	3/4"	Hi Crown Flattened Head	0.551 to 0.562"	£35.98
P	Z0333-316	3/8"-16	1 9/16"	1.25"	Hi Crown Flattened Head	0.551 to 0.562"	£45.86

Style	Model	Dia./Thread Size	Height	Thread Depth	Thread Size	Width	Price (inc. VAT)
A	6CB96	-	15mm	11.4mm	M8 x 1.25	13mm	£13.77
B	6CB92	M3 x 0.5	6mm	4mm	M3 x 0.5	5.5mm	£9.89
C	6CB93	M4 x 0.7	8mm	5.7mm	M4 x 0.7	7mm	£14.33
D	6CB94	M5 x 0.8	10mm	7.8mm	-	8mm	£14.55
E	6CB95	M6 x 1	12mm	8.3mm	-	10mm	£11.86
F	6CB97	M10 x 1.5	18mm	13.4mm	-	17mm	£12.76
G	6CB98	M12 x 1.75	22mm	16.4mm	-	19mm	£18.86
H	6CB99	M14 x 2	25mm	18.4mm	-	22mm	£10.00
I	6CE10	M16 x 2	28mm	21.4mm	-	24mm	£10.80
J	6CE11	M20 x 2.5	34mm	26.4mm	-	30mm	£21.55

Acorn Nut 5/16-18, 25PK

Model	Item	Price (inc. VAT)
CPB050	AE9YPC	£31.75

APPROVED VENDOR -

Acorn Nut High Crown 5/16-18, 10PK

Model	Item	Price (inc. VAT)
CPB134	AF2QYP	£7.62

APPROVED VENDOR -

Acorn Nut Extra Low Crown 3/8-16, 10PK

Model	Item	Price (inc. VAT)
CPB227	AF2LBE	£17.54

APPROVED VENDOR -

Acorn Nut 1/4-28, 25PK

Model	Item	Price (inc. VAT)
CPB087	AE9YUH	£18.33

APPROVED VENDOR -

Acorn Nut 10-32, 50PK

Model	Item	Price (inc. VAT)
CPB085	AE9YUG	£24.87

APPROVED VENDOR -

Acorn Nut 4-40, 50PK

Model	Item	Price (inc. VAT)
CPB081	AE9YPE	£25.01

CS JOHNSON -

Acorn Nut, 1/4-28 Size, Right Hand, 10Pk

Model	Item	Price (inc. VAT)
35-600	AG3NEU	£2.08

APPROVED VENDOR -

Acorn Nut Low Crown 5/16-18, 10PK

Model	Item	Price (inc. VAT)
CPB025	AF2LBF	£11.81

GRAINGER -

Cap Nut, M8 x 1.25, Zinc Plated Finish, Steel, 100PK

Model	Item	Price (inc. VAT)
M16510.080.0001	CD3FQQ	£18.69

APPROVED VENDOR -

Acorn Nut 10-24, 25PK

Model	Item	Price (inc. VAT)
CPB019	AF2CCF	£23.61

GORLITZ -

Acorn Nut

Model	Item	Price (inc. VAT)
T 01A 126	CH3PCC	£0.57	See Details

B & P MANUFACTURING -

Acorn Nut, Nylon, 1/4-20 Inch Size

Model	Item	Price (inc. VAT)
8069-004	CE8RGH	£0.42	See Details

Acorn Nuts

Acorn nuts have a domed top. They are threaded onto a bolt and work as a cover to protect the internal threads / bolt ends from contaminants. Raptor Supplies offers a wide range of acorn nuts from brands like B&P Manufacturing, Micro Plastics, Gorlitz, Vulcan Hart & CS Johnson. Acorn nuts also make the bolt or stud ends look clean & attractive, and improve safety on selected joints & sensitive applications.

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Acorn Nuts

Acorn Nuts

Acorn Nut Aluminium

Acorn Nut 18-8 Stainless Steel

High Crown Cap Nut

Acorn Nuts

Acorn Nut 316 Stainless Steel

Acorn Nut

Acorn Nut 5/16-18, 25PK

Acorn Nut High Crown 5/16-18, 10PK

Acorn Nut Extra Low Crown 3/8-16, 10PK

Acorn Nut 1/4-28, 25PK

Acorn Nut 10-32, 50PK

Acorn Nut 4-40, 50PK

Acorn Nut, 1/4-28 Size, Right Hand, 10Pk

Acorn Nut Low Crown 5/16-18, 10PK

Cap Nut, M8 x 1.25, Zinc Plated Finish, Steel, 100PK

Acorn Nut 10-24, 25PK

Acorn Nut

Acorn Nut, Nylon, 1/4-20 Inch Size

Acorn Nuts

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Acorn Nuts

Acorn Nuts

Acorn Nut Aluminium

Acorn Nut 18-8 Stainless Steel

High Crown Cap Nut

Acorn Nuts

Acorn Nut 316 Stainless Steel

Acorn Nut

Acorn Nut 5/16-18, 25PK

Acorn Nut High Crown 5/16-18, 10PK

Acorn Nut Extra Low Crown 3/8-16, 10PK

Acorn Nut 1/4-28, 25PK

Acorn Nut 10-32, 50PK

Acorn Nut 4-40, 50PK

Acorn Nut, 1/4-28 Size, Right Hand, 10Pk

Acorn Nut Low Crown 5/16-18, 10PK

Cap Nut, M8 x 1.25, Zinc Plated Finish, Steel, 100PK

Acorn Nut 10-24, 25PK

Acorn Nut

Acorn Nut, Nylon, 1/4-20 Inch Size

Acorn Nuts

Frequently Asked Questions