Precise 135 Cobalt Taper Length (Long) Drill, Size 5/16″, Decimal Diameter .3125″, Flute Length 4″, Overall Length 6-3/8″

• Drill Point Angle: 135
• Series: ACL-23
• Designed for drilling holes deeper than possible with standard jobbers length drills.
• Heavy duty, general purpose drills for ferrous, non-ferrous metals, alloys and non-metallic materials.
• For hand held manual drills and variety of portable and stationary machine tools.
• Right hand (clockwise rotation) cutting direction.
• Standard two flute design with spiral, helical flutes.
• Straight shanks correspond to drill diameter.
• Taper length drills have approximately the same overall length as taper shank drills.
• Manufactured from cobalt steel.
• Precision ground flutes.
• Cylindrically ground.
• Point angle ground to 135 included angle.
• Spiral – helical flutes.
• Straight shanks correspond to the drill diameter.
• Taper length drills have flutes proportional to length.
• Increased web for deeper holes or clearing drill bushings.
• Workpiece Material Range: Steel, Stainless Steel, High-Temp Exotic Alloys, Non-Ferrous, Cast Iron, Plastics
• Package Qty: 1

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