Precise High Speed Steel Silver Deming Drill, 1-7/16″ Size, 1.4375″ Decimal Diameter, 3″ Flute Length

• Series: A15
• 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.
• Can be used in electric drills and drill presses with 1/2″ capacity drill chuck
• Special care should be exercised to avoid bending or shearing the reduced diameter drill shank.
• Hardness: 58 to 60 RC
• Drill Point Angle: 118
• Overall Length: 6″
• Finish Coating: Black Oxide
• Flute Shape: Helical Flute
• 2 Flutes
• Shank Size: 1/2″
• Shank Style: Reduced Shank
• Workpiece Material Range: Steel, Cast Iron, Plastics

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