Ceradex S12M-STUPR09-16E Internal Boring Bar – 12mm Shank Somta Series 175 – 21.5 mm HSS Reduced Shank Drill 5mm STUB DRILL 6

5mm STUB DRILL 6

Designed for creating internal threads in various materials

Adaptable Performance – Suitable for both blind-hole and through-hole threading tasks

Compact die nut design for threading in confined or hard-to-reach areas

Comprehensive Range: Sizes from 1/16" to 1/2" in 1/64" steps (29 pieces total)

Ceradex S12M-STUPR09-16E Internal Boring Bar – 12mm Shank Somta Series 175 – 21.5 mm HSS Reduced Shank Drill 5mm STUB DRILL 6The Ceradex S12M STUPR09 16E internal boring bar is engineered for precision internal turning and boring operations in CNC lathes and turning centres. Designed with a rigid 12mm shank, this toolholder provides excellent stability when machining internal diameters, helping reduce vibration while maintaining consistent cutting accuracy. Manufactured from high strength alloy steel, the boring bar offers durability and dependable performance in demanding