Threading D1D1D1D1 PDX PR1115 PR1215 PR1515 PR1535 CermetTC60 Applicable toolholder Threading inserts Unified External threading / 60° 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 UN, UNFPitch IC S D1 RE Thread angle (°) Profile type PVD - TPI 16ER 12UN 12 0.27 1.5 N N 14UN 14 0.23 1.5 N N IC PNA 16UN18UN 1618 9.525 3.68 4 0.2 1.10.18160 Full NprofileN NN RE PDX S 20UN 20 0.16 1 N N 24UN 24 0.13 0.8 N N 16ER 08UN-TF 8 0.43 1.75 N N N N 10UN-TF 10 0.34 1.5 N N N N 12UN-TF 12 0.27 1.5 N N N N ICPNAREPDX S 13UN-TF14UN-TF16UN-TF 131416 9.525 3.68 4 0.25 1.50.231.50.21.1 N N N N60FullNNNNprofileNNNN 18UN-TF 18 0.18 1 N N N N 20UN-TF 20 0.15 1 N N N N 24UN-TF 24 0.12 0.8 N N N N J24, J25, J26 J 16ER 08UN-TQ 8 0.43 1.75 N N N 10UN-TQ 10 0.34 1.5 N N N 12UN-TQ 12 0.27 1.5 N N N IC PNA RE PDX S 13UN-TQ14UN-TQ16UN-TQ 131416 9.525 3.68 4 0.25 1.50.231.50.21.160 Fullprofile N N NNNNNNN Molded Chipbreaker 18UN-TQ 18 0.18 1 N N N 20UN-TQ 20 0.15 1 N N N 24UN-TQ 24 0.12 0.8 N N N IC PNA 22ER 08UN 8 12.7 4.9 4.85 0.43 2.1 60 Full Nprofile N RE PDX S Right-hand shown 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 22ER... KTNR..-22 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: J39 J10