No 66 PRIMO HSS Twist Drill Bits - 10pc

PRIMO Number 66 HSS Twist Drill Bits

• 10 drills per package
• #66 wire gauge drill bits
• 0.330 inch / 0.838 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