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The 45° helix and 3-flute configuration support steady chip formation and effective evacuation
and hobbyists working on hard metals and precision components
enhancing cooling
Applications: Suitable for aluminium and non-ferrous alloys
longer intervals between tool changes
Toolex Reamer - Stub Type - Spiral Flute - Straight Shank - HSS-E - H4 - 12.78mm ER Collet Chucks The 45° helix and 3-fluteThe Toolex Stub Type Spiral Flute Reamer, 12. 78 mm diameter, uses HSSE (M35 cobalt) for a durable, wearresistant bore finishing tool. Its lefthand spiral flute and righthand cutting deliver controlled material removal and a smooth bore across a range of steels and alloys. Designed for engineers, machinists, and workshop professionals, the stub form with straight shank keeps the tool rigid in collets and fixtures for repeatable results. Key specs for
