Carmex Single Long Carbide Shank Threading Insert holders - For Carbide External/Internal Threading Inserts - SR0010K12CThe Carmex SR0010K12C is a carbide shank threading insert holder designed for long overhang threading on CNC milling machines, supporting both external and internal carbide inserts. Its built to deliver consistent performance in demanding production environments. Long overhang carbide shank: Engineered for extended reach in threading jobs, providing stability and through put on CNC mills. Internal coolant bore: Integrated coolant channel to keep the