Precise H.S.S. Stub Length Screw Machine Twist Drill, Size 43/64″, 4-1/2″ Overall Length

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• 2 Flutes
• 118 Point angle
• Point Sharpening Type: Standard Point
• Series: A13
• 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.
• Shank Style: Straight Shank
• Cutting Direction: Right Hand
• Workpiece Material Range: Steel, Cast Iron, Plastics

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