Nachi Parabolic Flute H.S.S. TiN Coated Jobbers Length Twist Drill, #21 Size, 0.1590 Decimal Size, 2-1/8 Flute Length, 3-1/4 Overall Length
Nachi Parabolic Flute H.S.S. TiN Coated Jobbers Length Twist Drill, #21 Size, 0.1590" Decimal Size, 2-1/8" Flute Length, 3-1/4" Overall Length H.S.S. - High Speed Steel High speed steel provides good wear resistance in a variety of materials. Hardness: 58
Nachi Parabolic Flute H.S.S. TiN Coated Jobbers Length Twist Drill, #21 Size, 0.1590″ Decimal Size, 2-1/8″ Flute Length, 3-1/4″ Overall Length
- H.S.S. – High Speed Steel
- High speed steel provides good wear resistance in a variety of materials.
- Hardness: 58 to 60 RC
- Heavy duty – designed & engineered for drilling stainless steel & hi-temp alloys
- Drilling 7X Diameter deep holes in hard materials
- TiN coating increases lubricity, increased machining speeds and longer tool life.
- Parabolic style allows for maximum chip removal with limited chip clogging.
- 135 split point prevents walking and aids in centering drill.
- 2 Flutes
- Flute Shape: Spiral Flute
- Shank Style: Straight Shank
- Cutting Direction: Right Hand
- Workpiece Material Range: Steel, Cast Iron, Plastics
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