Linear Moving Parts 5Pcs Center Drill Bit HSS A‑Type for Die Stainless Steel All‑Ground Spiral Positioning 4mm
- Enlarged chip flute design, beneficial to high‑speed operation and accelerate chip removal
- Suitable for bench drills, milling machines, machining centers
- Better strength and durability all‑ground spiral positioning with high work efficiency
- Special for die steel and stainless steel processing, very practical
- High‑speed steel material, with high hardness, of sharpness, wear‑resistant and heat‑resistant, long service life
