Precise H.S.S. Aircraft 6″ Long Extension Drill, #57 Size, 3/4″ Flute Length

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• Drill Point Angle: 118
• Drill Type: Aircraft Extension
• Overall Length: 6″
• Access hard-to-reach locations
• For general purpose deep drilling in normal steels, cast iron, and a variety of other ferrous and non-ferrous metals and alloys.
• Right hand (clockwise rotation) cutting direction.
• Standard two flute design.
• Normal spiral – helical flutes.
• Cylindrically ground.
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics

For More Precise H.S.S. Aircraft 6″ Long Extension Drills, #31 to #60 Sizes Click Here