Description
Irwin 631 is a twist drill bit. Bit length 7/8 in, 1-3/8 in; cutting edge material HSS-E (Co-M42); finish Gold Oxide. Irwin lists Shorter cutting lips reduce torque for drilling in high tensile strength materials; 135-degree split point reduces feed pressure for easier penetration without work hardening. Available in 2 versions.
Irwin 631 specifications
| Item | Irwin data |
|---|---|
| Part number | 631 (size and colour versions: 63108, 63116) |
| Bit Length | 7/8 in; 1-3/8 in |
| Cutting Edge Material | HSS-E (Co-M42) |
| Finish | Gold Oxide |
| Flute Length | 1-5/8 in; 2-3/4 in |
| Point Angle | 135° |
| Point Shape | Split |
| Spiral Angle | CW |
| Structure | Solid |
| Type | Drill Bit |
Source: Irwin published product data.
Irwin® Cobalt High Speed Steel Fractional Straight Shank Jobber Length Drill Bits, available in the versions listed below.
FEATURES
- Constructed of M-35 5 percent 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-degree split point reduces feed pressure for easier penetration without work hardening
Manufacturer item number: 63108. Select a version to see the exact item number.
Available in 2 versions:
- 1/8 in – 63108
- 1/4 in – 63116
Item Numbers
Variant item numbers:
63108 – 1/8 in
63116 – 1/4 in
