Cleveland
Cleveland C46674 Counterbore 25/32 in Pilot High Speed Steel Bright
A 25/32 in pilot for counterbores, made from high speed steel with a bright finish
- Precision pilot fits 25/32 in holes
- High-speed steel resists wear during repeated cuts
- Bright uncoated finish reduces friction in steel
- 687 in overall length reaches deep counterbores
- 375 in shank diameter suits standard holders
Cleveland C46674 Counterbore Pilot
The Cleveland C46674 is a 25/32 in pilot designed for counterboring operations. It is made from high speed steel with a bright uncoated finish. This accessory fits compatible counterbore bodies to guide the cutter accurately. It suits machinists and maintenance technicians who need a replaceable pilot for specific hole sizes.
Replaces worn or damaged pilots
A pilot should be replaced when the guide diameter shows wear that allows the counterbore to wander. Swapping to a new 25/32 in pilot restores concentricity without buying a complete counterbore assembly. The jump is worth it when the existing cutter body remains sharp but the pilot no longer centres reliably in the pre-drilled hole.
High speed steel under sustained cutting
High speed steel retains hardness at the temperatures generated during extended counterboring passes. The bright finish provides no coating barrier so lubricant contacts the steel directly. Under continuous feed the pilot resists deformation longer than carbon steel alternatives, maintaining the 0.375 in shank fit and 2.687 in overall length through repeated cycles.
Highlights
- Precision pilot fits 25/32 in holes
- High-speed steel resists wear during repeated cuts
- Bright uncoated finish reduces friction in steel
- 687 in overall length reaches deep counterbores
- 375 in shank diameter suits standard holders
Specifications
| Brand | CLEVELAND |
|---|
Questions about this item
What pilot diameter does the C46674 counterbore accept?
The pilot is 25/32 in, matching the counterbore's pilot specification.
How do I install the pilot into the counterbore body?
Slide the pilot into the counterbore shank until it seats fully; the common error is not pushing it all the way home.
When should I replace the high-speed-steel pilot?
Replace it when the cutting edges dull or the pilot shows visible wear that affects hole accuracy.
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