3/8 UNF - Emuge Spiral Flute Multi Tap GLT Coated
B550C400.5045
3/8-UNF-SF-MULTI-GLT
HSSE tap for universal application in almost all workpiece materials.
GLT-1 coating - Hard surface coating with anti-friction layer. In a PVD process (500 °C) a coating thickness of 2-4 μm can be realized. The combination of a hard surface coating (approx. 3,000 HV) with an anti-friction layer provides maximum tool life. Chip flow is also improved.
Product features and benefits:
- Tap for blind hole threads in long-chipping material.
 - Not to be recommended for threads beginning with an increased diameter.
 - Not available on next day delivery, please contact us to check availability if urgent. Standard delivery is 2-3 business days.
 

| Thread | UNF | 
| 
Nominal Size | 
3/8 | 
| Threads Per Inch (TPI) | 24 | 
| Coolant Supply | Without | 
| Geometry | MULTI | 
| Shank Diameter (d2) | 10mm | 
| OAL (l1) | 90mm | 
| Length of cutting edge (l2) | 10mm | 
| Usable Length (l3) | 35mm | 
| Square ■ | 8mm | 
| Tap hole diameter | 8.5mm |