Threading inserts Tapered pipe External threading / 55° full profile Carbon steel / Alloy steel N O P Stainless steel N M Cast iron N K Non-ferrous metals N N Applicable Cermet Dimension (mm) Carbide thread Applicable toolholder Rc(PT) Thread Profile PVD - - Insert Description (BSPT) angle type PDX Pitch IC S D1 RE (°) PR1115 PR1215 PR1515 PR1535 GW15 TC60 TPI IC 16ER 11BSPT 11 0.29 1.6 N N N PNA 14BSPT 14 0.22 1.6 Full N N N 9.525 3.68 4 55 D1 RE PDX S 19BSPT 19 0.16 1 profile N N N 28BSPT 28 0.1 0.8 N N N IC 16ER 11BSPT-TF 11 0.29 1.6 N N N N PNA 14BSPT-TF 14 0.22 1.6 Full N N N N 9.525 3.68 4 55 D1 19BSPT-TF 19 0.16 1 profile N N N N J24, J25, J26 RE PDX S 28BSPT-TF 28 0.1 0.8 N N N N IC 16ER 11BSPT-TQ 11 0.29 1.6 N N N PNA 14BSPT-TQ 14 0.22 1.6 Full N N N 9.525 3.68 4 55 D1 RE PDX S 19BSPT-TQ 19 0.16 1 profile N N N 28BSPT-TQ 28 0.1 0.8 N N N Molded Chipbreaker Right-hand shown J Applicable toolholders Applicable threads M : Metric R, Rc (PT) (BSPT) : Tapered Pipe Insert description Applicable toolholders UN : Unified W : Whitworth Applicable Thread KTNR..-16(JCT) / KTNSR..-16 UNF : Unified Fine Thread NPT : American National Tapered Pipe 16ER... S..-KTNL16 G (PF) : Parallel Pipe Tr : 30˚ Trapezoidal Threading Threading inserts are sold TC60 (Threading) are in 5 piece boxes sold in 10 piece boxes Recommended cutting conditions: J38 N : Standard item R : Right hand only L : Left hand only U : Check availability Number of passes and depth of cuts: J40 J14