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Cobalt steel jobber drill bit, 25/64 inch, black oxide finish, 135 degree split point

Cleveland Golf

Cleveland Golf Jobber Drill 25/64 Cobalt Black Oxide 135° Split Point

SKU CH-8KQP-CX2QY

A 25/64 inch cobalt steel drill bit with a 135 degree split point and black oxide finish for heavy-duty alloy and stainless steel drilling

  • TypeAngle, Pitch & Slope Locators
  • Cobalt steel construction handles alloy and stainless steel
  • 135° split point starts on contact without wandering
  • Black oxide finish resists wear during heavy-duty drilling
  • 25/64 inch diameter matches fractional sizing needs
  • 5-1/8 inch overall length reaches deeper holes

Cleveland Golf Jobber Drill 25/64

This cobalt steel jobber drill bit features a 135 degree split point and a black oxide finish. It measures 5-1/8 inches overall with a flute length of 1-7/8 inches. The heavy duty grade tool is designed for drilling alloy, carbon, stainless and tool steel. Its right hand cutting direction suits standard drilling operations.

Machinists drilling hard metals at a 4xD

The split point geometry reduces walking on tough alloys and stainless steels. Cobalt construction resists heat during extended cuts in tool steel. Builders needing coolant-through capability or left hand cutting should look elsewhere. The fractional 25/64 inch shank fits matching collets or chucks only.

Straightforward install in any 25/64 inch capacity

The split point starts on contact without a centre punch in most materials. Black oxide finish helps retain lubricant during deep hole drilling. Overheating cobalt shortens edge life if feed and speed are not matched to the workpiece. Ensure the shank seats fully to prevent runout at the 135 degree point.

Highlights

  • Cobalt steel construction handles alloy and stainless steel
  • 135° split point starts on contact without wandering
  • Black oxide finish resists wear during heavy-duty drilling
  • 25/64 inch diameter matches fractional sizing needs
  • 5-1/8 inch overall length reaches deeper holes

Specifications

BrandCleveland
TypeAngle, Pitch & Slope Locators

Questions about this item

What drill chuck size do I need to hold the 25/64 inch shank?

Use a chuck that opens to at least 25/64 inch (0.3906 in.) to grip the shank securely.

Can I run this cobalt bit in a standard portable drill motor?

Yes, the 135-degree split point and right-hand spiral flutes work in any standard drill with sufficient torque for heavy-duty steel.

How do I confirm the bit is cutting correctly after I start drilling?

Look for clean, continuous chips and a centred hole start; the split point should prevent walking on alloy, carbon, stainless or tool steel.

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