1/4-20 HELI TWINS BOTTOMING TAP
3987-4
| Item Id | 3987-4 |
| Description | 1/4-20 HELI-COIL TWINS BOTTOMING TAP |
| Alternate Codes | 5136-00-935-4530 |
| Extended Description | 1/4-20 Helicoil Twinsert BOTTOMING |
| Packaging | EA |
| Brand | HELICOIL/STANLEY |
| Minor Diameter After Tapping (Max.) | 0.335in |
| Minor Diameter After Tapping (Min.) | 0.326in |
| Nominal Thread Size | 0.25in |
| Pitch Diameter (Max.) | 0.350in |
| Pitch Diameter (Min.) | 0.347in |
| Suggested Drill Size (Aluminum) | 21/64 (0.3281) |
| Suggested Drill Size (Steel) | Q (0.3320) |
| Tap Major Diameter (Max.) | 0.384in |
| Thread Size | 1/4-20 |
| Thread Type | Unified Coarse Thread (UNC) |
| Units | Inch |
Contact Olander sales office for pricing on larger quantities, partial shipments, and secondary processes.