Cleveland
Cleveland C26680 Chucking Reamer Straight 25/32 in pneumatic accessory
A straight-flute chucking reamer in high-speed steel, bright finish, sized at 25/32 in. for precision hole finishing
- TypeReamers
- High-speed steel construction resists wear during reaming
- Straight flute design clears chips efficiently
- Bright uncoated finish suits general-purpose machining
- 25/32 inch fractional diameter matches standard sizing
- 781 inch decimal equivalent simplifies tool selection
Cleveland C26680 Chucking Reamer
The Cleveland C26680 is a straight-flute chucking reamer made from high-speed steel with a bright, uncoated finish. It is sized at 25/32 in, which measures .781 in decimal form. This pneumatic accessory is designed for precision hole finishing in machine-shop and maintenance environments. Machinists and tool-crib managers select it when a fractional-inch reamer is required for through-holes or blind-holes.
Sustained cutting behaviour
High-speed steel construction allows the flutes to retain hardness during extended cutting cycles without the rapid edge degradation seen in uncoated carbon tooling. The straight-flute geometry evacuates chips efficiently in a continuous pass, reducing heat build-up when the reamer is fed at a constant rate. Operators can maintain consistent diameter tolerance across multiple parts in a single setup. The bright finish provides no additional lubricity, so adequate coolant or cutting oil is necessary for prolonged use.
Practical limits of the straight-flute interface
The straight-flute design performs best in through-holes where chips can exit ahead of the tool; blind-holes may require frequent withdrawal to clear swarf. Without a coating, the cutting edges are more susceptible to built-up edge in gummy materials such as low-carbon steel or aluminium. The fractional 25/32 in size limits application to holes nominally matching that diameter; it cannot be used for metric or oversize bores. Rigidity of the machine spindle and work-holding directly governs the achievable surface finish and roundness.
Highlights
- High-speed steel construction resists wear during reaming
- Straight flute design clears chips efficiently
- Bright uncoated finish suits general-purpose machining
- 25/32 inch fractional diameter matches standard sizing
- 781 inch decimal equivalent simplifies tool selection
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Reamers |
Questions about this item
Does the 25/32 in high-speed steel reamer generate noticeable heat during extended pneumatic use?
High-speed steel construction manages heat effectively during continuous reaming operations when proper cutting fluid is applied.
What collet or chuck size is required to hold the straight shank of the C26680 reamer?
A 25/32 in or .781 in capacity collet or chuck is needed to secure the straight shank.
Will this fractional-inch reamer produce a finish compatible with older SAE tooling and fixtures?
Yes, the 25/32 in fractional size matches legacy SAE specifications for consistent fit with existing hardware.
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