Finished Hex & Hex Jam Nuts For product information or to request a catalog, please call: 415.861.8300 or fax: 415.552.0796

Available Materials: Zinc plated steel, stainless steel, H.D. galvanized, brass, silicon bronze, nylon

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Nominal Size or Basic Product Diameter	Basic Width Across Flats	Maximum Width Across Flats	Minimum Width Across Flats	Maximum Width Across Corners	Minimum Width Across Corners	Basic Thickness Hex Nuts	Maximum Thickness Hex Nuts	Mininum Thickness Hex Nuts	Basic Thickness Jam Nuts	Maximum Thickness Jam Nuts	Minimum Thickness Jam Nuts
1/4  0.2500	7/16	0.4380	0.4280	0.5050	0.4880	7/32	0.2260	0.2120	5/32	0.1640	0.1500
5/16 0.3125	1/2	0.5000	0.4890	0.5770	0.5570	17/64	0.2730	0.2580	3/16	0.1950	0.1800
3/8  0.3750	9/16	0.5620	0.5510	0.6500	0.6280	21/64	0.3370	0.3200	7/32	0.2270	0.2100
7/16 0.4375	11/16	0.6880	0.6750	0.7940	0.7680	3/8	0.3850	0.3650	1/4	0.2600	0.2400
1/2  0.5000	3/4	0.7500	0.7360	0.8660	0.8400	7/16	0.4480	0.4270	5/16	0.3230	0.3020
9/16 0.5625	7/8	0.8750	0.8610	1.0100	0.9820	31/64	0.4960	0.4730	5/16	0.3240	0.3010
5/8  0.6250	15/16	0.9380	0.9220	1.0830	1.0510	35/64	0.5590	0.5350	3/8	0.3870	0.3630
3/4  0.7500	1-1/8	1.1250	1.0880	1.2990	1.2400	41/64	0.6650	0.6170	27/64	0.4460	0.3980
7/8  0.8750	1-5/16	1.3120	1.2690	1.5160	1.4470	3/4	0.7760	0.7240	31/64	0.5100	0.4580
1    1.0000	1-1/2	1.5000	1.4500	1.7320	1.6530	55/64	0.8870	0.8310	35/64	0.5750	0.5190
1-1/8 1.1250	1-11/16	1.6880	1.6310	1.9490	1.8590	31/32	0.9990	0.9390	39/64	0.6390	0.5790
1-1/4 1.2500	1-7/8	1.8750	1.8120	2.1650	2.0660	1-1/16	1.0940	1.0300	23/32	0.7510	0.6870
1-3/8 1.3750	2-1/16	2.0620	1.9940	2.3820	2.2730	1-11/64	1.2060	1.1380	25/32	0.8150	0.7470
1-1/2 1.5000	2-1/4	2.2500	2.1750	2.5980	2.4800	1-9/32	1.3170	1.2450	27/32	0.8800	0.8080

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