Hexalobular screws, inch ...

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Hexalobular screws, inch series

Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.1 2010 table 9 Lobed head screws
d Thread size	UNC (nr of threads x inch)	UNF (nr of threads x inch)	K min	B max	C min	G min.	H min
1/4	20	28	0.06	0.207	0.365	0.287	0.245
5/16	18	24	0.09	0.266	0.457	0.362	0.313
3/8	16	24	0.115	0.310	0.55	0.431	0.384
7/16	14	20	0.145	0.361	0.642	0.499	0.462
1/2	13	20	0.150	0.411	0.735	0.571	0.505
9/16	12	18	0.153	0.466	0.828	0.645	0.541
5/8	11	18	0.188	0.518	0.921	0.715	0.62
3/4	10	16	0.243	0.618	1.107	0.86	0.777
7/8	9	14	0.260	0.719	1.293	1	0.856
1	8	12	0.343	0.839	1.479	1.138	1.053
1-1/8	7	12	0.370	0.943	1.665	1.28	1.171
1-1/4	7	12	0.410	1.046	1.852	1.42	1.289
1-3/8	6	12	0.441	1.151	2.038	1.562	1.407

Full list of Suppliers of Hexalobular screws, inch series

Italy

Buora d.p.u. S.r.l.

Founded in 1969, Buora D.P.U. is a distributor certified following ISO 9001.

The company offers the complete range of high strength fasteners, ready on stock, both coarse and fine pitches with metric and inch threads.

Distributor of prestigious brands such as UNBRAKO and NORD-LOCK, for Buora D.P.U. the service always comes first, therefore there is not minimum quantity required.