Irwin Tools 585-54009 9-piece bolt extractor set pneumatic accessory
- Drill Bits
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A 17/64 inch cobalt drill bit with a 135 degree split point for accurate drilling in hard metals
This 17/64 inch cobalt steel drill bit is built for screw-machine applications where accuracy and tool life matter. The 135 degree split point centres the cut immediately and reduces walking on hard materials. A straw bronze surface finish identifies the cobalt alloy and resists heat buildup during extended drilling cycles. Right hand cutting direction suits standard drill motors and CNC equipment.
Machinists and maintenance technicians who drill stainless steel, titanium or high-strength alloys will benefit from the cobalt substrate and split-point geometry. The design is not coolant-through, so operators without through-spindle coolant can still use it effectively. Buyers needing internal coolant delivery or a larger diameter than 17/64 inch should consider other tooling options.
The exact size is 17/64 inch, which converts to a decimal equivalent of .2656 inch for precise hole-making and tap-drill selection. This single dimension determines fit for the intended fastener or reaming operation. Confirm the required diameter against your drawing before ordering.
Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Brand name | Cleveland |
| Model name | C14213 |
| Product type | Drill Accessories |
| Size & build | |
| Main material | Cobalt Steel |
The 135-degree split point design centres the bit quickly and reduces walking, which lowers friction and heat generation when drilling through tough materials like stainless steel.
The bit has a straight shank matching its 17/64-inch (0.2656 decimal) diameter, so your chuck needs to open at least that wide.
Cobalt steel retains hardness at higher temperatures than standard high-speed steel, so it resists wear longer even at the lower speeds of older drills.
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