| Square Head Set Screw |
|
|
| 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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