Cleveland
Cleveland C94563 Countersink 5/8 in 60° Cobalt Bright
A 5/8 inch cobalt countersink with a 60 degree angle for deburring and chamfering holes
- TypeCountersinks & Sets
- 60° angle produces clean countersinks for flush fasteners
- Cobalt construction resists heat and wear during heavy drilling
- Bright uncoated finish reduces chip adhesion on metal
- 5/8 in diameter suits standard clearance-hole sizes
- Cleveland brand trusted for professional power-tool accessories
Cleveland Countersink 60° Cobalt
The Cleveland C94563 is a 5/8 in single-flute countersink with a 60 degree angle. It is made from cobalt steel and has a bright uncoated finish. The tool is designed for chamfering and deburring holes in metal.
Suited for metal deburring and chamfering
Machinists and fabricators who need a 60 degree countersink for general steel work will find this cobalt tool effective. It is not intended for wood or plastic applications. Buyers needing a different included angle or a coated cutter for high-volume production should look at other options.
60 degree included angle
The 60 degree angle is the critical specification that determines if this countersink matches the fastener or print requirement. Verify the required angle before ordering. The cobalt construction offers heat resistance for steel cutting.
Highlights
- 60° angle produces clean countersinks for flush fasteners
- Cobalt construction resists heat and wear during heavy drilling
- Bright uncoated finish reduces chip adhesion on metal
- 5/8 in diameter suits standard clearance-hole sizes
- Cleveland brand trusted for professional power-tool accessories
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Countersinks & Sets |
Questions about this item
How is the 5/8 in 60° cobalt countersink installed in a drill chuck and what step is often missed?
Insert the shank fully into the chuck and tighten securely; the step often missed is verifying the tool runs true before applying pressure to the workpiece.
What maintenance or replacement will this bright uncoated cobalt countersink need later?
The cutting edges will dull with use; resharpen the 60° flutes or replace the tool when holes show chatter or oversized countersinks.
What limit appears first on this cobalt countersink during sustained high-speed drilling?
Heat buildup at the cutting edges is the first limit; cobalt resists heat well but excessive speed without coolant will accelerate edge wear.
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