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Triumph  |  SKU: 058520

5/16" x 12" 135° HD Extension Drills

Sale price $25.83 Regular price $64.58
Flat $15 shipping · free over $200

Sold in 3s · $77.49 for 3 Bits

$25.83 Qty 3

5/16" x 12" 135°HD Aircraft Extension Drill Bit (3 pack)

Triumph Twist Drill

Upgrade your drilling game with the 5/16" x 12" 135°HD Aircraft Extension Drill Bit from Triumph Twist Drill. This versatile 3-pack of high-speed drill bits is designed for precision and durability, making it ideal for professional use.

About This Item:

    Specifications:

  • Part Number: 58520
  • Size: 5/16"
  • Decimal Equivalent: .3125
  • Flute Length: 3-3/16"
  • Overall Length: 12"

    Features:

  • Point: 135° Split Point
  • Material: Premium Grade High Speed Steel
  • Coating/Finish: Black Oxide
  • Other: Heavy-Duty Construction

    For use in:

  • Iron, Cast
  • Steel, Low and Medium Carbon
  • Steel, High Alloy
  • Steel, Stainless and PH
  • Tough, Medium and High-Tensile Strength Alloys

About this Manufacturer:

Discover the excellence of Triumph Twist Drill, a leading manufacturer with over 60 years of expertise in producing top-tier drills. Operating from a state-of-the-art 70,000 square foot facility in Chisholm, MN, we are dedicated to crafting high-performance tools using advanced machinery and equipment.

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Call 833-438-6657, 8 AM to 4 PM MST. We know the parts, not just the part numbers.