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 IRWIN 63121 Jobber Drill Bit, 21/64 in Dia, 4-5/8 in OAL, Spiral Flute, 21/64 in Dia Shank, Cylinder Shank

IRWIN 63121 Jobber Drill Bit, 21/64 in Dia, 4-5/8 in OAL, Spiral Flute, 21/64 in Dia Shank, Cylinder Shank

SKU: 6009740

Brand: IRWIN

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$6.99
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High-speed steel with M-35, 5% cobalt, for higher heat and abrasion resistance; heavy-duty web construction for strength and durability. Split point begins drilling immediately, minimizing bit walk when used in applications such as metal drilling, including heavy-duty abrasive alloy metal drilling on hardened steel (heat-treated).

Product Details

Manufacturer: STANLEY BLACK & DECKER

Manufacturer's Part Number: 63121

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Product Features

  • Heavy-duty spiral flute design produces faster chip ejection
  • Shorter cutting lips reduce torque for drilling in high tensile strength materials
  • Constructed of M-35 5% cobalt high-speed steel for super abrasive resistance in tough metals
  • 135 deg split point reduces feed pressure for easier penetration without work hardening and tip point ensures a true start and eliminates bit walking

Product Specifications

Applicable Materials Hard Steel, Stainless Steel, Titanium
Cutting Direction Clockwise
Diameter 21/64 in
Finish Gold Oxide
Flute Length 3-5/16 in
Flute Type Spiral
Grade M35
Material Cobalt HSS
Overall Length 4-5/8 in
Point Angle 135 deg
Point Type Split
Shank Diameter 21/64 in
Shank Length 1-1/3 in
Shank Type Cylinder

Product Documents

Catalog Click here to download