Dimensions for Tap-End Studs (1.5d Engagement) (Inch Series)（A193 / A320 / A437 / A453 / A540 / A1014）[Table 3]
ASME B 18.31.2 - 2014 美制双头非等长法兰栓接螺柱 b1=1.5d （A193 / A320 / A437 / A453 / A540 / A1014）[Table 3]
See all versions and complete specifications: Dimensions for Tap-End Studs (1.5d Engagement) (Inch Series)（A193 / A320 / A437 / A453 / A540 / A1014）[Table 3] — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 1.0000 | 1.0000 | 3.000 | 0.250 | 0.167 | 1.500 | 1.438 | 2.250 | 2.500 | 1.562 |
| 1/4 | 0.3125 | 0.3125 | 1.625 | 0.111 | 0.083 | 0.469 | 0.440 | 0.875 | 1.125 |
| 0.498 |
| 3/8 | 0.5625 | 0.5625 | 2.125 | 0.167 | 0.111 | 0.844 | 0.802 | 1.375 | 1.625 | 0.896 |
| 5/8 | 1.3750 | 1.3750 | 3.750 | 0.333 | 0.167 | 2.063 | 2.000 | 3.000 | 3.250 | 2.125 |
| 5/16 | 0.4375 | 0.4375 | 1.875 | 0.143 | 0.100 | 0.656 | 0.620 | 1.125 | 1.375 | 0.692 |
| 7/16 | 0.7500 | 0.7500 | 2.500 | 0.200 | 0.125 | 1.125 | 1.075 | 1.750 | 2.000 | 1.175 |
| 9/16 | 1.2500 | 1.2500 | 3.500 | 0.286 | 0.167 | 1.875 | 1.813 | 2.750 | 3.000 | 1.938 |
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