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Yato YT-28950 hand reamer 107 mm 4.5 mm High-Speed Steel (HSS)
The YATO Drill Reamer YT-28950 7.75–8.5 mm is a precision cutting tool designed to enlarge and finish drilled holes to accurate diameters. Intended for use in metalworking and general workshop tasks, this reamer smooths and improves hole geometry after initial drilling. It is compatible with hand drills and machine spindles that accept its shank and working diameter, providing controlled material removal for a consistent fit of fasteners and components.
The reamer offers fine cutting edges and a ground working surface that promotes improved roundness and dimensional accuracy of holes. Its dimensional range of 7.75–8.5 mm allows for correction of undersized or slightly irregular drilled holes. The tool is suitable for repeatable results in small-batch workshop operations and maintenance tasks where hole quality and tolerance are important.
Secure the reamer in a drill chuck or machine spindle compatible with its shank. Prepare the workpiece by pre-drilling a pilot hole within the tolerance range slightly smaller than the target diameter. Align the reamer with the hole and apply steady feed at a moderate speed appropriate for the workpiece material. Use light, consistent pressure to avoid chatter and ensure an even finish. Withdraw the tool periodically to clear chips and inspect the hole size and surface. Apply suitable cutting lubricant when reaming hard metals to extend tool life and improve surface quality.
Use this reamer for final sizing after drilling; avoid attempting large material removal in a single pass. Match cutting speed and lubricant to the material being processed, and verify compatibility with the drill or spindle before operation to ensure safe and accurate work.
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