National Twist Drill - Auger & Utility Drill Bits Auger Bit Size (Inch): 3/4 Shank Diameter (Inch): 1/2
Item #: 66134594
Brand: National Twist Drill
Model #: 031980AA
Features and Benefits
Round shanks with flats are ground flat on three sides for increased chuck grip, reducing slippage and help centering the drill in the chuck. They are used with portable drills and drill presses on ferrous and non-ferrous materials.
High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
Product Specifications
Auger & Utility Drill Bits; Auger Bit Size (Inch): 3/4 ; Shank Diameter (Inch): 1/2 ; Shank Type: Straight with Flat ; Auger Bit Material: High Speed Steel ; Auger Bit Finish/Coating: Bright ; Twist Length (Inch): 8-5/8
| Auger Bit Size (Inch) | 3/4 |
| Shank Diameter (Inch) | 1/2 |
| Shank Type | Straight with Flat |
| Auger Bit Material | High Speed Steel |
| Auger Bit Finish/Coating | Bright |
| Twist Length (Inch) | 8-5/8 |
| Overall Length (Inch) | 11-1/4 |
| Cutting Edge Style | Single |
| Shank Length (Inch) | 2-1/2 |
| Extension Capability | No |
| Auger Bit Function | Drilling |
| PSC Code | 5133 |
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