Carmex Carbide Shank Toolholder With Internal Coolant For CMT Inserts - CRC1012L40MDesigned for precision vertical milling with CMT inserts, the Carmex CRC1012L40M Carbide Shank Toolholder with Internal Coolant delivers reliable, repeatable performance for threads, grooves, and chamfers in demanding machining environments. Toolholder type: Carbide shank toolholder optimized for CMT inserts and vertical mill thread operations. Internal coolant bore: Integrated coolant passage directs cooling fluid through the tool for better chip