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| Square Head Set Screw For product information or to request a catalog, please call: 415.861.8300 or fax: 415.552.0796 |
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| Available Materials: Alloy steel |
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| Nominal Size or Basic Screw Diameter | Maximum Width Across Flats | Minimum Width Across Flats | Maximum Width Across Corners | Minimum
Width Across Corners |
Maximum Head Height | Minimum Head Height |
|---|---|---|---|---|---|---|
| 1/4-20 0.2500 | 0.2500 | 0.2410 | 0.3540 | 0.3310 | 0.1960 | 0.1780 |
| 5/16-18 0.3125 | 0.3120 | 0.3020 | 0.4420 | 0.4150 | 0.2450 | 0.2240 |
| 3/8-16 0.3750 | 0.3750 | 0.3620 | 0.5300 | 0.4970 | 0.2930 | 0.2700 |
| 7/16-14 0.4375 | 0.4380 | 0.4230 | 0.6190 | 0.5810 | 0.3410 | 0.3150 |
| 1/2-13 0.5000 | 0.5000 | 0.4840 | 0.7070 | 0.6650 | 0.3890 | 0.3610 |
| 5/8-11 0.6250 | 0.6250 | 0.6060 | 0.8840 | 0.8330 | 0.4850 | 0.4520 |
| 3/4-10 0.7500 | 0.7500 | 0.7290 | 1.0600 | 1.0010 | 0.5820 | 0.5440 |
| 7/8-9 0.8750 | 0.8750 | 0.8520 | 1.2370 | 1.1700 | 0.6780 | 0.6350 |
| 1-8 1.0000 | 1.0000 | 0.9740 | 1.4140 | 1.3370 | 0.7740 | 0.7260 |
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| For product information or to request a catalog, please call: 415.861.8300 or fax: 415.552.0796 | |||||
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