Screw Machine Drill Bits Letter Size
- Screw Machine (Stub) Drills
- Heavy Duty
- Letter Sizes
- 135 Degree Split Point
- Industrial Quality
- Straight Shank
- Black Finish
- Made in USA
These short length drills feature heavy duty construction and are ideal for use by heating and air conditioning, auto body shops, and sheet metal workers. 135 degree split points ensures greater ease of penetration, no "walking" and minimum work on extra hard materials. Short flute provides exceptional strength for drilling into extra hard materials.