CoroThread® 266 Insert for Thread Turning

Designation of chipbreaker manufacturers (CBMD) THE Thread Shape Type(THFT) VP60 Thread type (TTP) EXT Minimum thread pitch (TPN) 3.5mm Maximum thread pitch (TPX) 6mm Minimum threads per inch (TPIN) 4 Maximum threads per inch (TPIX) 7 Thread profile type(TPT) Q: partial profile Number of teeth (NT) 1 Theoretical thread height (HA) 4.92mm Thread height difference (HB) 0.48mm Profile distance ex(PDX) 2.9mm Profile distance ey(PDY) 0.39mm Insert assembly code (IFS) 8: 40°-60° countersunk hole, rail bottom Fixing hole diameter(D1) 5.7mm Insert shape and size (CUTINT_SIZESHAPE) CoroThread 266/254 -external size 22R Number of cutting edges (CEDC) 3 Inscribed circle diameter (IC) 12.7mm