Hex Cap Screws

Hex Cap Screws offer reliable and secure fastening in diverse applications. With their hexagonal head design and availability in various sizes and materials, these screws provide versatility and adaptability for different fastening needs. Choose Hex Cap Screws for your projects with confidence.

Model:ANSI ASME B 18.2.1

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Product Description

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Hex Cap Screws: Hex Cap Screws are versatile fasteners known for their reliability and durability in a wide range of applications.

Secure Fastening: These screws feature a hexagonal head design, allowing for easy installation and removal using a compatible wrench or socket, ensuring a secure and tight fit.

Various Sizes and Materials: Hex Cap Screws are available in various sizes and materials to suit different application requirements, providing flexibility and adaptability in fastening solutions.

Thread Size
d

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

7/8

d_s	max
d_s	min
s	Basic
	max
	min
e	max
e	min
k	Basic
	max
	min
k_w	min
b	L≤6
b	L＞6

0.25	0.3125	0.375	0.4375	0.5	0.5625	0.625	0.75	0.875	1
0.245	0.3065	0.369	0.4305	0.493	0.5545	0.617	0.741	0.866	0.99
7/16	1/2	9/16	5/8	3/4	13/16	15/16	1-1/8	1-5/16	1-1/2
0.438	0.5	0.562	0.625	0.75	0.812	0.938	1.125	1.312	1.5
0.428	0.489	0.551	0.612	0.736	0.798	0.922	1.1	1.285	1.469
0.505	0.577	0.65	0.722	0.866	0.938	1.083	1.299	1.516	1.732
0.488	0.557	0.628	0.698	0.84	0.91	1.051	1.254	1.465	1.675
5/32	13/64	15/64	9/32	5/16	23/64	25/64	15/32	35/64	39/64
0.163	0.211	0.243	0.291	0.323	0.371	0.403	0.483	0.563	0.627
0.15	0.195	0.226	0.272	0.302	0.348	0.378	0.455	0.531	0.591
0.106	0.14	0.16	0.195	0.215	0.25	0.269	0.324	0.378	0.416
0.75	0.875	1	1.125	1.25	1.375	1.5	1.75	2	2.25
1	1.125	1.25	1.375	1.5	1.625	1.75	2	2.25	2.5

Thread Size
d

1-1/8

1-1/4

1-3/8

1-1/2

1-3/4

2-1/4

2-1/2

2-3/4

d_s	max
d_s	min
s	Basic
	max
	min
e	max
e	min
k	Basic
	max
	min
k_w	min
b	L≤6
b	L＞6

1.125	1.25	1.375	1.5	1.75	2	2.25	2.5	2.75	3
1.114	1.239	1.363	1.488	1.738	1.988	2.238	2.488	2.738	2.988
1-11/16	1-7/8	2-1/16	2-1/4	2-5/8	3	3-3/8	3-3/4	4-1/8	4-1/2
1.688	1.875	2.062	2.25	2.625	3	3.375	3.75	4.125	4.5
1.631	1.812	1.994	2.175	2.538	2.9	3.262	3.625	3.988	4.35
1.949	2.165	2.382	2.598	3.031	3.464	3.897	4.33	4.763	5.196
1.859	2.066	2.273	2.48	2.893	3.306	3.719	4.133	4.546	4.959
11/16	25/32	27/32	1-5/16	1-3/32	1-7/32	1-3/8	1-17/32	1-11/16	1-7/8
0.718	0.813	0.878	0.974	1.134	1.263	1.423	1.583	1.744	1.935
0.658	0.749	0.81	0.902	1.054	1.175	1.327	1.479	1.632	1.815
0.461	0.53	0.569	0.64	0.748	0.825	0.933	1.042	1.151	1.29
2.5	2.75	3	3.25	3.75	4.25	4.75	5.25	5.75	6.25
2.75	3	3.25	3.5	4	4.5	5	5.5	6	6.5