Precise Surface Treated H.S.S. Jobbers Length Twist Drills - Number Sizes #31 to #60
Brand: Precise- ID:
- 758780
Precise Surface Treated H.S.S. Jobbers Length Twist Drills - Number Sizes #31 to #60
- H.S.S. - High Speed Steel
- Hardness: 58 to 60 RC
- Series: A2-HD
- Surface treatment increases abrasion resistance, reducing the amount of chip welding & improving chip flow
- Drill Point Angle: 135°
- Point Sharpening Type: Split Point
- Finish Coating: Black Oxide
- Right hand (clockwise rotation) cutting direction
- Shank Style: Straight Shank
- Standard two flute design.
- Standard spiral, helical flutes.
- Workpiece Material Range: Steel, Cast Iron, Plastics

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