Carmex Carbide Shank Toolholder With Internal Coolant For CMT Inserts - CRC1212L57PEngineered for precision milling with CMT inserts, the Carmex CRC1212L57P Carbide Shank Toolholder with Internal Coolant delivers reliable, repeatable performance in vertical mill thread work. Designed for shops that demand high accuracy, long tool life, and efficient coolant delivery in compact setups. Toolholder Type: Carbide shank toolholder optimized for CNC vertical milling with CMT inserts. Internal Coolant Bore: Integrated coolant channel