1/4 x 20 UNC 1066-SFT HSS-E Spiral Flute Cutting Tap Steam Tempered - OSG
22204714
1066-SFT
Product features and benefits:
- HSS-E cobalt for toughness and wear resistance
- Steam-tempered finish helps reduce friction and material build-up
- Spiral flutes draw chips out of the hole for smoother tapping
-
Ideal for blind-hole threading in steels and other long-chipping materials

| Thread Type | UNC |
| Thread Diameter (TD) | 1/4 |
| Pitch (TPI) | 20 TPI |
|
Functional Length (LF) |
66.0mm |
| Thread Length (THLGTH) | 19.0mm |
| Usable Length (LU) | 30.0mm |
| Shank Diameter (DCON) | 6.30mm |
| Drive Size (DRVS) | 5.00mm |
| Pre-machined Hole Diameter (PHD) | 5.10mm |
22204714 1/4 X 20 UNC 1066-SFT HSS-E SPIRAL FLUTE CUTTING TAP STEAM TEMPERED - OSG