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Walter Surface Technologies Walter Surface Technologies SST+™ 01H120 Fractional Heavy Duty High Performance Stub Length Quick Shank Drill Bit, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, Cobalt, Bronze Oxide

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Description

Walter Surface Technologies SST+™ Quick Shank Drill Bit, Fractional Heavy Duty High Performance Stub Length, Imperial, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, 3-1/8 in Overall Length, 2 Flutes, Regular Spiral Flute, 1-7/16 in Flute Length, 5/16 in Shank, Short Shank, 135 deg Point, Split/Self-Centering Point, HSS Cutting Edge, Cobalt, Bronze Oxide, Applicable Materials: Mild Steel, Non-Ferrous Metal, Sheet Metal, Stainless Steel and Thin Gauge Metal

Excellent for drilling into sheet metal and other thin-walled material. Its split point of 135 deg allows for positive drilling without center-punching and its short length gives high resistance to breakage and allows for drilling in confined spaces.

Specifications

Applicable Materials Mild Steel, Non-Ferrous Metal, Sheet Metal, Stainless Steel and Thin Gauge Metal
Cutting Edge Material HSS
Drill Diameter Measurement System Imperial
Drill Size - Decimal Inch 0.3125 in
Drill Size - Fraction 5/16 in
Finish Bronze Oxide
Flute Length 1-7/16 in
Flute Type Regular Spiral
Material Cobalt
Number of Flutes 2
Overall Length 3-1/8 in
Point Angle 135 deg
Point Type Split/Self-Centering
Shank Size 5/16 in
Shank Type Short
Type Fractional Heavy Duty High Performance Stub Length

Country of Origin: China

Application:
For drilling of round surfaces and drilling with stationary machines applications

Features

  • Drills more holes, faster
  • Short length for maximum breakage resistance
  • Special bronze SST™ surface treatment
  • Special self-centering point for minimal burrs
  • Produce minimal burr when drilling in sheet metal
  • Heavy duty body construction
  • No center punching necessary
  • Self-centering 135 deg split point geometry

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