Taiwan CAT40 M12x1.75″ 5″ Screw-In Threaded Tool Holder Balanced New P[
SHARS CAT 40 M12 x 1.75 5″ Screw-in threaded Tool Holder CAT40 Balanced G2.5 @ 20000 RPM New. SHANK SIZE CAT40. TOOL HOLDER CATEGORY Screw-In Threaded Holder. MAX RPM BALANCED TO G2.5 20000. By accepting right-hand thread cutter into the tool holder, apply cutting force onto the cutter would increase the bond between the cutter and the tool holder.