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 TAPPING SCREWS
These lengths or shorter are undercut
Size	Type A, AB	Other Types
0	3/16	1/8
1	3/16	5/32
2	3/16	3/16
3	7/32	7/32
4	1/4	1/4
5	1/4	1/4
6	5/16	5/16
7	3/8	3/8
8	7/16	7/16
10	1/2	1/2
12	9/16	9/16
1/4	5/8	5/8
5/16	13/16	5/8
3/8	----	5/8
7/16	----	3/4
1/2	----	3/4