Thread Cutting Screws Thread Specifications

Thread Cutting Screw - Thread Specifications

YOUR EASY GUIDE TO SHAKEPROOF FOR USE IN METALS MATERIAL

Screw Size	Threads per inch	A		B		C	p	d
		Major Diameter		Pitch Diameter		Minor Diameter	Pitch	Thread Depth
		Max	Min	Max	Min	Ref	Basic	Basic
2	56	.0860	.0820	.0744	.0724	.0641	.01786	.01 095
2	64	.0860	.0822	.0759	.0740	.0668	.01562	.00958
3	48	.0990	.0946	.0855	.0833	.0734	.02083	.01278
3	56	.0990	.0950	.0874	.0854	.0771	.01786	.01 095
4	40	.1120	.1072	.0958	.0934	.0813	.02500	.01534
4	48	.1120	.1076	.0985	.0963	.0864	.02083	.01278
5	40	.1250	.1202	.1088	.1064	.0943	.02500	.01534
5	44	.1250	.1204	.1102	.1079	.0971	.02273	.01394
6	32	.1380	.1326	.1177	.1150	.0997	.03125	.01917
6	40	.1380	.1332	.1218	.1194	.1073	.02500	.01534
8	32	.1640	.1586	.1437	.1410	.1257	.03125	.01917
8	36	.1640	.1590	.1460	.1435	.1299	.02778	.01704
10	24	.1900	.1834	.1629	.1596	.1389	.04167	.02556
10	32	.1900	.1846	.1697	.1670	.1517	.03125	.01917
12	24	.2160	.2094	.1889	.1856	.1649	.04167	.02556
12	24	.2160	.2098	.1928	.1897	.1722	.03571	.02191
1/4	20	.2500	.2428	.2175	.2139	.1887	.05000	.03067
1/4	28	.2500	.2438	.2268	.2237	.2062	.03571	.02191
Type 1 for use in Metals Type 23 for use in Metals and Plastics

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