| Material | HSS |
| Overall length | 70mm |
| Diameter of thread head | 20mm |
| Length of thread head | 28mm |
| Diameter of thread end | 15mm |
-High hardness， fast cutting， wear high temperature.
-Spiral groove is conducive to remove crumbs， not easily broken tap.
-Spiral Tap the crumbs into a spiral up chip evacuation， it is more suitable for the processing of blind holes and sticky
materials processing.
-Good abrasion resistance， long service life.
-Sharp knife head， smooth without burr.
