Precision Twist Drill 118 Ground H.S.S. Silver Deming Drill, Size 7/8″, Decimal Size .8750″

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• Series: R56
• Manufacturing Method: Ground
• Finish Coating: Bright
• No. of Flutes: 2
• Drill Point: 118
• Point Sharpening Type: Standard Point
• Shank Size: 1/2″
• Overall Length 6″
• Can be used in electric drills and drill presses with 1/2″ capacity drill chuck.
• Primarily designed as tools for drilling larger holes with reduced diameter straight shank drills.
• For most drilling operations in a wide array of materials having low and medium tensile strength ratings.
• Intended for those applications where only a 1/2″ chuck is available to drive the drills.
• May be used with a wide range of portable or stationary machine tools and with hand held manual drills.
• For optimal performance and the best tool life suitable, lubricating/cutting oils or the appropriate coolant fluids are recommended.
• Shank Style: Reduced Shank
• Flute Shape: Helical
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics

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