Precise Taper Length 135° Parabolic Flute H.S.S Deep Hole Drill, Size #20, Flute Length 3-3/8", Overall Length 5-3/4"

Precise Taper Length 135° Parabolic Flute H.S.S Deep Hole Drill, Size #20, Flute Length 3-3/8", Overall Length 5-3/4"

• H.S.S. - High Speed Steel
• Hardness: 58 to 60 RC
• Finish Coating: TiN For less galling & edge build-up increase speed up to 100% or feed up to 50%.
• Drill Point Angle: 135°
• Series: A59-TiN
• Designed for general purpose, heavy duty drilling operations for tougher materials.
• The flute design offers open fluting, heavy parallel web and a higher helix angle.
• 135° point works very well for drilling alloy steels, cast iron, manganese steels, harder stainless steels and a variety of other tougher ferrous and non-ferrous metals and alloys.
• The split point reduces the required drilling thrust & aids centering the drill.
• Used with manual drills, portable or stationary machines.
• For best results, use cutting fluids and lubricants.
• Right hand (clockwise rotation) cutting direction.
• Offers open fluting, heavy parallel web and a higher helix angle.
• Spiral - helical flutes.
• Straight shanks correspond to the drill diameter.
• Taper length drills have flutes proportional to length.
• Increased web for deeper holes or clearing drill bushings.
• Flute Shape: Parabolic
• Workpiece Material Range: Steel, Cast Iron, Plastics

For More Precise Taper Length 135° Parabolic Flute H.S.S Deep Hole Drills - Number Sizes Click Here