Nachi 135 Cobalt Stub Length Screw Machine Twist Drill, 1/2″ Size, 3-3/4″ Overall Length

• 2 Flutes
• 135 Point angle
• Point Sharpening Type: Split Point
• Series: L6563
• Low thrust design allows for easier penetration.
• Two flute design offers faster feed and larger material removal rates.
• Shorter length allows shallower holes to be drilled.
• Lower helix angle offers enhanced strength, reduced lifting, and larger chip evacuation.
• Bronze Oxide coating gives a polished finish and thus increased lubricity.
• Cobalt is harder than high-speed steel and suited for better wear resistance.
• Optimum for high tensile alloys.
• Designed for hand-held manual drills and either portable or stationary machines.
• Primarily designed for machining operations in screw machines.
• Short length offers increased rigidity for machine drilling a variety of materials and alloys.
• Best suited for drilling steel, cast steel, cast iron, or other alloyed or non-alloyed ferrous materials, they also work well for a variety of non-ferrous and non-metallic materials.
• May be used with hand held manual drills and either portable or stationary machines.
• For optimal performance and the best tool life, suitable lubricating/cutting oils or the appropriate coolant fluids are recommended.
• Shank Style: Straight Shank
• Cutting Direction: Right Hand
• Workpiece Material Range: Steel, Stainless Steel, High-Temp Exotic Alloys, Cast Iron, Plastics

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