HSS Adjustable Reamer .264" w/ Set Screws x 1-1/8" Body, Expansion Reamer

An adjustable expansion reamer set near .264 inch (6.71 mm) diameter, with a 1-1/8 inch cutting body and set screws that let the blades expand to dial in the working size. It is made of high-speed steel (HSS).

The set-screw adjustment lets one tool cover a small range of diameters, so it brings a drilled hole to final size when an exact fixed-size reamer is not on hand. This makes it useful for tool-room sizing, fitting jobs, and MRO repair where a hole has to be opened slightly and finished smooth. Set the blades, take a light finishing cut, and check size.

This is a single used tool. Sold as-is, surplus from King Surplus inventory in Del Rio, Texas. Same-day shipping on orders before 3:00 PM CT.

• Manufacturer: none. The tool carries no manufacturer name, model or serial.
• Type: Expansion reamer, set-screw adjustable, as shown in the photographs
• Stamped marking, as photographed: .264. The rest of the stamped marking is blurred in the photographs and this pass does not resolve it. This record's Model field (FID 57) records two stamps, .260 and .264; only .264 is legible in the images.
• Cutting Body Length: 1-1/8 in - OUR measurement, and the length of the cutting body only, not the overall length of the tool. The previous entry labelled this figure "Overall Length", which it is not.
• Adjustment range: not established. The tool is a set-screw expansion reamer, so its diameter is adjustable by design, but the factory range is not marked on it and is not stated here.
• Material: not established. The title and the previous entry state HSS, but no material marking appears on the tool and the tool is unbranded, so no maker's catalogue applies. HSS is not asserted here.
• Blade count, shank type and tolerance class are not marked on the tool and are not stated here.

Spec Basis: Verified 2026-09-16 against this tool's own photographs (KSC record 8474), cross-checked against Manufacturer (FID 56, "Generic") and Model (FID 57). The .264 stamp is legible in the photographs and is confirmed. The prior entry stated "Material: HSS" with nothing supporting it, and labelled a 1-1/8 in body measurement as the tool's overall length; both have been corrected.