Precise Cobalt Jobbers Length Twist Drill, 21/64″ Size, .3281″ Decimal Diameter, 4-5/8″ Overall Length

• Well suited for heavy duty operations in high tensile strength, low machinability, ferrous metals and alloys.
• Works well with tough high tensile strength non-ferrous materials like titanium and inconel due to its heat resistance.
• Suited for tougher materials such as alloys, stainless & manganese steels, etc.
• Manufactured from cobalt steel.
• Finish Coating: Bronze
• Drill Grade: Heavy Duty
• Drill Point Angle: 118
• Point Sharpening Type: Normal Point
• Cylindrically ground.
• Ground from the solid.
• Right hand (clockwise rotation) cutting direction.
• Shank Style: Straight Shank
• Standard two flute design.
• Standard spiral, helical flutes.
• Workpiece Material Range: Steel, Stainless Steel, High-Temp Exotic Alloys, Non-Ferrous, Cast Iron, Plastics

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