RMC BORING BARS

RMC indexable boring bars for CNC turning, internal boring, and precision metalworking. Designed for use with indexable insert tooling systems. Looking for American made cutting tools? Shop USA-made solid carbide end mills built in Michigan.

537 boring bars across 89 ANSI styles — don't scroll the whole list, jump straight to your code. Quick read: the letters tell you the clamping system, the insert shape the bar takes (C = CNMG/CCMT · D = DNMG · T = TNMG · W = WNMG) and the hand (R = right · L = left).

🔍 Know your code? Type it in the RMC code finder →

Most stocked styles

MCLNR (25) MCLNL (22) MTFNR (18) NER (14) MTFNL (13) SISTHOR (13) MSKNR (12) SIMTUNR (12) MWLNR (11) SCLCR (11) MDJNR (11) NEL (11) +77 more styles →

New to holders? Complete Guide to CNC Tool Holders · ANSI designation chart

Also in the RMC line: Tool Holders · Interchangeable Heads · Pair with Turning Inserts