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- Balax 12763-010 - 1/4-20 BX STI BH4 Form Tap Bright USA ** One Piece Price, Discount at 12 Ea**
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Balax 12763-010 - 1/4-20 BX STI BH4 Form Tap Bright USA ** One Piece Price, Discount at 12 Ea**
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Product Description
Balax 12763-010 - 1/4-20 BX STI BH4 Form Tap Bright USA
Specifications
| Category | Thredfloers |
| Series | STI |
| # of Grooves | 1 |
| Chamfer | 2.5 |
| Blank Name | 5/16" ANSI CNC |
| Overall Length | 2-23/32 |
| Thread Length | .830 |
| Neck Length | 1-1/8 |
| Shank Diameter | .318 |
| Square | .238 |
| Square Length | 3/8 |
Pre-Tap Hole Sizes
| 55% Thread | 0.293 |
| 65% Thread | 0.291 |
| 75% Thread | 0.288 |
| 85% Thread | 0.287 |
Recommended Limits for 1/4-20 Thread
| CLASS 2B STI | H3, H4 |
| CLASS 3B STI | H2, H3 |
Possible Gage Members for 1/4-20 Thread
| 90516 | STI GO ELEMENT |
| 90518 | STI 2B NO GO ELEMENT |
| 90519 | STI 3B NO GO ELEMENT |
| 90520 | STI 2B SET |
| 90521 | STI 3B SET |
