Irwin 63121 Jobber Drill Bit, 21/64 in Dia, 4-5/8 in OAL, Spiral Flute, 21/64 in Dia Shank, Cylinder Shank, Pack of 6
Irwin 63121 Jobber Drill Bit, 21/64 in Dia, 4-5/8 in OAL, Spiral Flute, 21/64 in Dia Shank, Cylinder Shank, Pack of 6
Irwin

Irwin 63121 Jobber Drill Bit, 21/64 in Dia, 4-5/8 in OAL, Spiral Flute, 21/64 in Dia Shank, Cylinder Shank, Pack of 6

Our Item #: VORG6009740 UPC: 042526631214
$30.16 $51.90you save $21.74
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).
Unit: EA
UPC: 042526631214
Model Number: 63121

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

  • 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