T&O H.S.S. 3MT Taper Shank Drill, 1″ Size, 6-3/8″ Flute Length, 11″ Overall Length

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• No. of Flutes: 2
• Drill Point Angle: 118
• Point Sharpening Type: Thin Relieved Web
• Popular drilling diameters
• Excellent for drilling carbon steels to HB225, alloy steels HB225-325.
• Good results when drilling prehardened steels HrC30-45, cast iron, aluminum and mild steels.
• Helix 30 to 35.
• Black finish.
• Right hand (clockwise rotation) cutting direction.
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics

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