Precise 118 H.S.S. Taper Length (Long) Drill, Size #31, Decimal Diameter .1200″, Flute Length 2-3/4″, Overall Length 5-1/8″

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• Drill Point Angle: 118
• Helix Angle: 30
• Designed for drilling holes deeper than possible with standard jobbers length drills.
• Normal duty, general purpose drills.
• Drills provide good performance for a variety of ferrous, non-ferrous metals, alloys and non-metallic materials.
• May be employed for hand held manual drills and variety of portable and stationary machine tools.
• Right hand (clockwise rotation) cutting direction.
• Standard two flute design.
• Standard spiral, helical flutes.
• Straight shanks that correspond to the drill diameter.
• Taper length drills have approximately the same overall length as taper shank drills.
• Manufactured from high speed steel.
• Cylindrically ground.
• Point angle ground to 118 included angle.
• Workpiece Material Range: Steel, Cast Iron, Plastics

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