Rushmore USA 140 Solid Carbide Micrograin Straight Flute Drill, 5/16″ Size, 0.3125″ Decimal Size, 1-5/8″ Flute Length, 2-13/16″ Overall Length

• Series: 1806
• HI-TEN 140 Drill Point Angle
• For drilling in hard and high-strength materials where hole is greater than two diameters deep.
• For heat treated steel alloys harder than Rc-50, nickel-chrome and stainless, bearing steels and high temperature alloys.
• Point Sharpening Type: Split Point
• Precision Ground
• Cutting Direction: Right Hand
• Shank Style: Straight Shank
• Flute Shape: Straight Flute
• Tolerance_Cutting Diameter: +0.0000 / -0.0005″
• Tolerance_Shank Diameter: +.0000/-0.001″
• Workpiece Material: Steel, Stainless Steel, High-Temp Exotic Alloys, Non-Ferrous, Cast Iron, Hard Materials
• Country of Origin: U.S.A.

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