HSS-E (M35 Cob) for durability and heat resistance: Enhanced hardness and heat tolerance mean longer tool life and reliable performance when reaming harder alloys and mixed material runs
reliable results that support quality control processes and precision engineering
and automotive parts where edge quality matters
accurate hole diameter and reliable mounting in compatible toolholders
Go/No-Go quick verification: Dual-ended design provides immediate pass/fail feedback
Carmex Carbide Tiny Tool - Grooving - MGR - BMK Grade - Minimum Diameter 8.1mm x 1mm Groove Width x 22mm Reach G HSS-E (M35 Cob) for durabilityThe Carmex Carbide Tiny Tool Grooving (MGR) is a precision cutting tool engineered for small grooving tasks. Its ideal for engineers, machinists, and hobbyists who need accurate, repeatable grooves on miniature parts where space is limited. Its compact geometry packs performance into a tiny footprint, with a minimum diameter of 8. 1 mm, groove width of 1 mm, and a reach of 22 mm. Built from BMK grade carbide, it delivers exceptional wear resistance