Universal Fastener Company Fasteners for Industry

We are your supplier of fasteners for industry; including metric, inch, steel, stainless steel, brass, bronze, aluminum, and exotic materials. We specialize in full service bin stocking programs to meet all your fastener needs.

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UNDERCUT HEADS ON MACHINE SCREW
These lengths or shorter are undercut
Size	All Ctsk Heads
0000	----
000	----
00	----
0	1/8
1	1/8
2	1/8
3	3/16
4	3/16
5	3/16
6	3/16
8	1/4
10	5/16
12	3/8
1/4	7/16
5/16	1/2
3/8	9/16
7/16	5/8
1/2	3/4
9/16	----
5/8	----
3/4	----