Carmex Carbide Tiny Tool - Grooving - MGR - BMK Grade - Minimum Diameter 4.1mm x 1mm Groove Width x 22mm Reach Tapping Chucks 66mm is a straight-shank carbide

66mm is a straight-shank carbide reamer designed to finish drilled holes to tight ISO H4 tolerances in through-coolant setups

The combination of left‑hand spiral flutes with a right‑hand cutting action supports efficient chip flow and stable cutting

tight tolerances in a range of machining setups

Consistent performance across operations: From basic to demanding applications

Carmex Carbide Tiny Tool - Grooving - MGR - BMK Grade - Minimum Diameter 4.1mm x 1mm Groove Width x 22mm Reach Tapping Chucks 66mm is a straight-shank carbideThe Carmex Carbide Tiny Tools Small Grooving Tool (MGR) is a precision cutting tool designed for small grooving applications. Built from premium BMK grade carbide, it delivers dependable performance when creating micro grooves on tiny parts. Its compact geometry and tailored tip design let you access tight features with confidence. Key specifics include a minimum diameter of 4. 1 mm, a groove width of 1 mm, and a reach of 22 mm, making it ideal for