Irwin® Turbomax®, 73128, Jobber Length Drill Bit, Fractional, Series: 731, Imperial, 7/16 in Drill - Fraction, 0.4375 in Drill - Decimal Inch, 5-1/2 in Overall Length, 4-1/16 in Cutting Depth, Spiral Flute, 4-1/16 in Flute Length, 7/16 in Shank, 3-Flat/Straight Shank, 135 deg Point, Self-Centering Turbomax® Point, Right Hand Cutting Direction, HSS Cutting Edge, Black/Gold Oxide, Applicable Materials: Low Carbon, Ferrous Metal, Non-Ferrous Metal and Stainless Steel
| Applicable Materials |
: |
Low Carbon, Ferrous Metal, Non-Ferrous Metal and Stainless Steel |
| Cutting Depth |
: |
4-1/16 in |
| Cutting Direction |
: |
Right Hand |
| Cutting Edge Material |
: |
HSS |
| Drill Diameter Measurement System |
: |
Imperial |
| Flute Length |
: |
4-1/16 in |
| Flute Type |
: |
Spiral |
| Overall Length |
: |
5-1/2 in |
| Point Type |
: |
Self-Centering Turbomax® |
| Series |
: |
731 |
| Shank Size |
: |
7/16 in |
| Shank Type |
: |
3-Flat/Straight |
| Type |
: |
Fractional |
| Drill Size - Fraction |
: |
7/16 in |
| Drill Size - Decimal Inch |
: |
0.4375 in |
| Point Angle |
: |
135 deg |
| Material |
: |
HSS |
| Finish |
: |
Black/Gold Oxide |
| Through Coolant (Yes/No) |
: |
No |
- Revolutionary tip design stays sharper longer and drills up to 10X faster than other leading drill bits
- Self-centering, precision ground Turbomax® feature-point tip eliminates walking on flat and curved surfaces, stays sharp longer and drills faster than standard high speed steel bits
- Manufactured with premium high speed steel with black and gold oxide coating for maximum corrosion resistance
- Three flatted shank on 3/16 in and above for better chuck grip
- High performance metal drilling for portable drill users, works well on curved surfaces
- High speed steel features a black body and gold flute
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