Product Description
1/4-28 UNF H4 3 Flute Spiral Fluted Combo Tap, Coolant Thru, Multi-Purpose Uncoated HSS-EX
MULTIPURPOSE TAPPING IN VARIOUS DUCTILE MATERIALS
Combo Tap's geometry is designed to provide smooth chip evacuation resulting in uninterrupted manufacturing. Guaranteed process reliability even in less rigid machining conditions.
- For Steels, Stainless Steels, Cast Iron and Non-Ferrous Materials
- Prevents over & under feeding by its optimized flank geometry
- Constant threading quality preventing oversized threading
- Thru-Coolant
Specs | ||
OD | Thread Size | 1/4-28 |
Od | Shank Diameter | 0.255" |
Lt | Thread Length | .354" |
L | Overall Length | 2.5" |
K | Square Size | 0.191" |
kl | Square Length | 0.312" |
Flutes | 3 | |
Limit | H4 | |
Chamfer | 2P-3P | |
Coating | Uncoated |