Slotted and Unslotted Hex Washer Head Tapping Screws For product information or to request a catalog, please call: 415.861.8300 or fax: 415.552.0796

Available Materials: Zinc plated steel, stainelss steel

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Nominal Size or Basic Product Diameter	Maximum Width Across Flats	Minimum Width Across Flats	Minimum Width Across Corners	Maximum Head Height	Minimum Head Height	Maximum Washer Diameter	Minimum Washer Diameter	Maximum Washer Thickness	Minimum Washer Thickness
#4   0.1120	0.1870	0.1810	0.2020	0.0600	0.0490	0.2430	0.2250	0.0190	0.0110
#6   0.1380	0.2500	0.2440	0.2720	0.0930	0.0800	0.3280	0.3020	0.0250	0.0150
#7   0.1510	0.2500	0.2440	0.2720	0.0930	0.0800	0.3280	0.3020	0.0290	0.0170
#8   0.1640	0.2500	0.2440	0.2720	0.1100	0.0960	0.3480	0.3220	0.0310	0.0190
#10  0.1900	0.3120	0.3050	0.3400	0.1200	0.1050	0.4140	0.3840	0.0310	0.0190
#12  0.2160	0.3120	0.3050	0.3400	0.1550	0.1390	0.4320	0.3980	0.0390	0.0220
1/4  0.2500	0.3750	0.3670	0.4090	0.1900	0.1720	0.5200	0.4800	0.0500	0.0300
5/16 0.3125	0.5000	0.4890	0.5450	0.2300	0.2080	0.6760	0.6240	0.0550	0.0350

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