Drillco 400N21 Nitro Drill Bit Set 21-Piece

Description

Drillco 400N21 Nitro Drill Bit Set 21-Piece

The Drillco 400N21 Nitro Drill Bit Set 21-Piece Set includes:

• 21 Drill bits from 1/16″ to 3/8″ by 64ths

Features:

• Product no. 400N21
• Heavy duty HSS (High Speed Steel) Black & Gold Nitro jobber drill bits
• 135º split point bits
• Nitride surface treatment:
  • • • Provides a hard, protective layer to the bit
      • Increases hardness without increasing brittleness
• Body and clearance are black & gold surface treated to maximize lubricity
• Recommended for drilling in stainless steel and other hard metals

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