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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 Gold Oxide
Item #: 63121 by Irwin Tools
UPC #: 042526631214
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Features
- 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
Diameter
21/64"
Finish
Gold Oxide
Overall Length
4-5/8"
Grade
M35
Material
Cobalt HSS
Shank Length
1-1/3"
Shank Diameter
21/64"
Flute Type
Spiral
Shank Type
Cylinder
Applicable Materials
Hard Steel Stainless Steel Titanium
Flute Length
3-5/16"
Point Angle
135 deg
Cutting Direction
Clockwise
Nomenclature
63121 COBALT DRILL BIT 21/64
Point Type
Split
Product Overview
BIT DRILL COBALT 21/64IN
Specifications:
Specifications:
Application: For tough metal drilling, including heavy-duty abrasive alloy metal drilling on hardened steel
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).