Precision Twist Drill 135 H.S.S. Screw Machine Stub Length Twist Drill, Size D, 0.2460″ Decimal Size, 1-3/8″ Flute Length, 2-1/2″ Overall Length

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• Series: R42C
• Finish Coating: Black Oxide
• No. of Flutes: 2
• Drill Point: 135
• Point Sharpening Type: Split Point
• Primarily designed for machining operations in screw machines.
• Short length offers increased rigidity for machine drilling a variety of materials and alloys.
• Best suited for drilling steel, cast steel, cast iron, or other alloyed or non-alloyed ferrous materials, they also work well for a variety of non-ferrous and non-metallic materials.
• May be used with hand held manual drills and either portable or stationary machines.
• For optimal performance and the best tool life, suitable lubricating/cutting oils or the appropriate coolant fluids are recommended.
• Cutting Direction: Right Hand
• Workpiece Material Range: Steel, Cast Iron, Plastics

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