Button Head Socket Cap Screw
For product information or to request a catalog, please call: 415.861.8300 or fax: 415.552.0796
Available Materials: Alloy and stainless steel
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Nominal Size or Basic Screw Diameter Maximum Head Diameter Minimum Head Diameter Maximum Head Height Minimum Head Height Hexagon Socket Size Minimum Key Engagement
0-80            0.0600 0.1140 0.1040 0.0320 0.0260 0.0350 0.0200
1-72            0.0730 0.1390 0.1290 0.0390 0.0330 0.0500 0.0280
2-56            0.0860 0.1640 0.1540 0.0460 0.0380 0.0500 0.0280
3-48            0.0990 0.1880 0.1760 0.0520 0.0440 1/16  0.0620 0.0350
4-40            0.1120 0.2130 0.2010 0.0590 0.0510 1/16  0.0620 0.0350
5-40            0.1250 0.2380 0.2260 0.0660 0.0580 5/64  0.0780 0.0440
6-32 & 40        0.1380 0.2620 0.2500 0.0730 0.0630 5/64  0.0780 0.0440
8-32 & 40        0.1640 0.3120 0.2980 0.0870 0.0770 3/32  0.0940 0.0520
10-24 & 32       0.1900 0.3610 0.3470 0.1010 0.0910 1/8   0.1250 0.0700
1/4-20 & 28      0.2500 0.4370 0.4190 0.1320 0.1220 5/32  0.1560 0.0870
5/16-18 & 24     0.3125 0.5470 0.5270 0.1660 0.1520 3/16  0.1880 0.1050
3/8-16 & 24      0.3750 0.6560 0.6360 0.1990 0.1850 7/32  0.2190 0.1220
1/2-13 & 20      0.5000 0.8750 0.8510 0.2650 0.2450 5/16  0.3120 0.1750
5/8-11 & 18      0.6250 1.0000 0.9700 0.3310 0.3110 3/8   0.3750 0.2100
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For product information or to request a catalog, please call: 415.861.8300 or fax: 415.552.0796