Threading D1D1D1 PDX PR1115 PR1215 PR1515 PR1535 CermetTC60 Applicable toolholder Threading inserts Parallel pipe, Whitworth External threading / 55° full profile Carbon steel / Alloy steel N O P Stainless steel N M Cast iron K Non-ferrous metals N Applicablethread Dimension (mm) Carbide Insert Description G(PF) W Thread PVD -angleProfile type Pitch IC S D1 RE (°) TPI RE PDX S 16ER 11W 11 11 0.3 1.5 N N 14W 14 14 9.525 3.68 4 0.23 1.5 55 Full profile N N PNA IC 19W 19 - 0.16 1 N N IC 16ER 11W-TF 11 11 0.3 1.5 N N N N PNA RE PDX S 14W-TF16W-TF 14- 1416 9.525 3.68 4 0.23 1.50.191.155 N N N NFull profileNNNNJ24, J25, J26 19W-TF 19 - 0.16 1 N N N N IC 16ER 11W-TQ 11 11 0.3 1.5 N N N PNA RE PDX S 14W-TQ16W-TQ 14- 1416 9.525 3.68 4 0.23 1.50.191.155 Full profile N N NNNN Molded Chipbreaker 19W-TQ 19 - 0.16 1 N N N 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 16ER... KTNR..-16(JCT) / KTNSR..-16S..-KTNL16 UNF : Unified Fine Thread NPT : American National Tapered PipeG (PF) : Parallel PipeTr : 30˚ Trapezoidal 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 J12