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Balax 12647-01T - 1/4-20 BXB BH7 Form Tap Bottom Tincoat USA - Pkg 12 **CALL FOR AVAILABILITY**
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Product Description
Balax 12647-01T - 1/4-20 BXB BH7 Form Tap Bottom Tincoat USA
Specifications
| Category | Thredfloers |
| Series | BOTTOM |
| # of Grooves | 1 |
| Chamfer | 2.5 |
| Blank Name | ANSI CNC |
| Overall Length | 2-1/2 |
| Thread Length | .750 |
| Neck Length | 1.0 |
| Shank Diameter | .255 |
| Square | .191 |
| Square Length | 5/16 |
Pre-Tap Hole Sizes
| 55% Thread | 0.230 |
| 65% Thread | 0.228 |
| 75% Thread | 0.225 |
| 85% Thread | 0.224 |
Recommended Limits for 1/4-20 Thread
| CLASS 2B | H6, H7, H8 |
| CLASS 3B | H4, H5 |
Possible Gage Members for 1/4-20 Thread
| 90170 | GO ELEMENT |
| 90172 | 2B NO GO ELEMENT |
| 90174 | 3B NO GO ELEMENT |
| 90176 | 2B SET |
| 90178 | 3B SET |
| 90592 | PRE-PLATE GO ELEMENT |
| 90593 | PRE-PLATE NO GO ELEMENT |
| 90992 | PRE-PLATE SET |
