Hex Head Bolts For product information or to request a catalog, please call: 415.861.8300 or fax: 415.552.0796

Available Materials: Grades 2,5 & 8 steel, also brass, stainless, silicon bronze, nylon

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Nominal Size or Basic Product Diameter	Body Diameter Maximum	Body Diameter Minimum	Basic Width Across Flats	Maximum Width Across Flats	Minimum Width Across Flats	Maximum Width Across Corners	Minimum Width Across Corners	Basic Height
1/4     0.2500	0.2500	0.2450	7/16	0.4380	0.4280	0.5050	0.4880	5/32
5/16    0.3125	0.3125	0.3065	1/2	0.5000	0.4890	0.5770	0.5570	13/64
3/8     0.3750	0.3750	0.3690	9/16	0.5620	0.5510	0.6500	0.6280	15/64
7/16   0.4375	0.4375	0.4305	5/8	0.6250	0.6120	0.7220	0.6980	9/32
1/2    0.5000	0.5000	0.4930	3/4	0.7500	0.7360	0.8660	0.8400	5/16
9/16   0.5625	0.5625	0.5545	13/16	0.8120	0.7980	0.9380	0.9100	23/64
5/8    0.6250	0.6250	0.6170	15/16	0.9380	0.9220	1.0830	1.0510	25/64
3/4    0.7500	0.7500	0.7410	1-1/8	1.1250	1.1000	1.2990	1.2540	15/32
7/8    0.8750	0.8750	0.8660	1-5/16	1.3120	1.2850	1.5160	1.4650	35/64
1      1.0000	1.0000	0.9900	1-1/2	1.5000	1.4690	1.7320	1.6750	39/64
1-1/8   1.1250	1.1250	1.1140	1-11/16	1.6880	1.6310	1.9490	1.8590	11/16
1-1/4   1.2500	1.2500	1.2390	1-7/8	1.8750	1.8120	2.1650	2.0660	25/32
1-3/8   1.3750	1.3750	1.3630	2-1/16	2.0620	1.9940	2.3820	2.2730	27/32
1-1/2   1.5000	1.5000	1.4880	2-1/4	2.2500	2.1750	2.5980	2.4800	15/16

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For product information or to request a catalog, please call: 415.861.8300 or fax: 415.552.0796