CH Tools Tapping Chuck Set MT3 – J4812 Quick Change Tap Holder Kit Somta Series 732 – 9/32" HSS Taper Pin Reamer HSS-E (Cobalt) – Increases red

HSS-E (Cobalt) – Increases red hardness

featuring a 14

High-Speed Steel (HSS) – Delivers excellent wear resistance

ideal for high-precision applications in industries such as aerospace

CH Tools Tapping Chuck Set MT3 – J4812 Quick Change Tap Holder Kit Somta Series 732 – 9/32" HSS Taper Pin Reamer HSS-E (Cobalt) – Increases redThe CH Tools J4812 MT3 tapping chuck set is a precision quick change tap holder system designed for use with Morse Taper MT3 machines. Engineered for accurate, efficient tapping operations, the set provides secure tap retention, consistent torque transfer, and fast changeover for production and workshop environments. Manufactured from hardened, precision ground steel, the tapping chuck body and interchangeable tap adapters deliver durability and