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  - Stainless steel 18-8
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    - #2-56
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    - #0-80
    - #1-72
    - #2-64
    - #4-48
    - #6-40
    - #8-36
    - #10-32
    - #12-28
    - 1/4"-28
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    - 7/16"-20
    - 1/2"-20
    - 9/16"-18
    - 5/8"-18
    - 3/4"-16
    - 7/8"-14
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Product Catalog » Socket products » Socket cap » Alloy steel black oil finish

#4-40

Socket cap length is measured from under the head to the end of the screw.
Note: Thread length on socket caps can vary. Many shorter lengths will be fully threaded.
Socket cap length.

Product #	Length	Buy Each	Buy Box	Box Qty	Buy Bulk	Bulk Qty
7872 4	1/8"	$0.25	$16.84	100	$137.00	1000
7873 4	3/16"	$0.11	$6.74	100	$54.80	1000
7888	1/4"	$0.07	$4.29	100	$34.70	1000
7874	5/16"	$0.07	$4.37	100	$35.70	1000
4985	3/8"	$0.07	$4.52	100	$36.80	1000
7875	7/16"	$0.07	$4.63	100	$37.50	1000
4986	1/2"	$0.07	$4.71	100	$38.00	1000
7876 4	9/16"	$0.15	$9.94	100	$81.00	1000
4987	5/8"	$0.07	$4.77	100	$38.70	1000
4988	3/4"	$0.07	$5.07	100	$41.20	1000
7877	7/8"	$0.19	$12.48	100	$102.00	1000
4990	1"	$0.26	$17.32	100	$141.00	1000
7878 4	1-1/8"	$0.37	$23.99	100	$195.00	1000
7879	1-1/4"	$0.28	$18.28	100	$149.00	1000
7891 4	1-5/16"	$0.55	$37.54	100	$306.00	1000
7889 4	1-3/8"	$0.42	$28.16	100	$229.00	1000
7880	1-1/2"	$0.37	$23.86	100	$194.00	1000
7890 4	1-5/8"	$0.63	$44.28	100	$360.00	1000
7881 4	1-3/4"	$0.59	$40.46	100	$329.00	1000
7882 4	2"	$0.66	$46.51	100	$379.00	1000

4 This item is a semi-standard size and is therefore more expensive.

Matching Products

High collar lock washers, Alloy steel black oil finish, #4

A split lock washer designed to fit under the head of a socket cap screw.

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