Rushmore USA Solid Carbide TiALN Coated Jobbers Length 118 Point Twist Drill, 5/16″ Size, 2-3/8″ Flute Length, 0.3125″ Decimal Size, 3-3/4″ Overall Length

• Reduces heat generation in heavy cuts
• TiALN multilayer coating used in wet, semi-dry to dry cutting of most steels and highly abrasive materials.
• Provides good thermal stability for increased speeds feeds that offers excellent heat resistance, good lubricity, better finishes and prolongs tool life.
• Provides substantial improvement in feed rates and edge wear.
• For general purpose drilling in cast iron, plastics, magnesium, bronze, masonite, reisn-fiberglass laminates and highly abrasive materials. TiALN is not recommended for aluminum.
• Made from premium submicron carbide with 10% cobalt.
• Helix Angle: 118 4 Facet Point
• Cutting Direction: Right Hand
• Shank Style: Taper Shank
• Flute Surface: Spiral Flute
• Tolerance_Cutting Diameter: +0.0000″ / -0.0005″
• Tolerance_Shank Diameter: +.000/-.001″
• Workpiece Material: Steel, Stainless Steel, High-Temp Exotic Alloys, Cast Iron, Hard Materials
• Country of Origin: U.S.A.

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