PRIMO Number 63 Twist Drill Bits
- 10 drills per package
- #63 wire gauge drill bits
- 0.370 inch / 0.940 mm diameter
- Quality made high speed steel twist drill bits, made to exacting tolerances on Swiss made machinery
- Bright finished with exactly the proper cutting angle at the tip.
- Flutes are sharp with the proper spiral and finished outer edges
- The finest grade tool steel, tempered for maximum hardness and endurance
- For in a pin vise or Dremel rotary tool with a keyless chuck at slow speed
- Packaging may vary
