1/4 - 28 UNJF - Emuge Spiral Flute 3BX Tolerance NI HSSE-PM Tap TICN Coated
B438J411.5511
1/4-28 UNJF - SF - NI - PM - TICN
HSSE-PM taps for applications in nickel, cobalt, iron and titanium alloys.
TICN coating.
Product features and benefits:
- Tap for blind hole threads in long-chipping material.
 - Similar DIN 371
 - Chamfer Form C
 - Additional chip divider "F" (clearance grinding) for narrow rolled or small broken chips.
 - Not available on next day delivery, please contact us to check availability if urgent. Standard delivery is 2-3 business days.
 


| Thread | UNJF | 
| Nominal Size | 1/4 | 
| Threads per inch (TPI) | 28 | 
| Coolant Supply | Without | 
| Geometry | NI | 
| Shank Diameter (d2) | 7mm | 
| OAL (l1) | 80mm | 
| Length of cutting edge (l2) | 17mm | 
| Usable Length (l3) | 30mm | 
| Square ■ | 5.5mm | 
| Tap hole diameter | 5.55mm | 
1/4 - 28 UNJF - EMUGE SPIRAL FLUTE 3BX TOLERANCE NI HSSE-PM TAP TICN COATED