Nitro Heavy Duty Fractional / Black & Gold Series 400N

Nitro Heavy Duty | Jobber Drills | Fractional / Black & Gold | Series 400N

Series 400N | 135° SPLIT POINT / STRAIGHT SHANK

High Speed Steel

Features:
  • The Nitro Heavy Duty 135 degree Split Point drill with Nitride surface treatment, that give a hard, protective layer to the drill (increases hardness without increasing brittleness), which is measurably harder than high speed steel.
  • Body and clearance are black and gold surface treated for maximum lubricity.
  • Recommended for use in stainless steel and other hard metal drilling.
  • USA Manufactured
These Jobber Length Drill Bits are excellent for drilling through the following materials:
  • Aluminum
  • Brass
  • Copper
  • Iron
  • Metal
  • Soft Wood
  • Steel
  • Woods
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