Threading D1D1D1D1 PR1115 PR1215 PR1515 PR1535 GW15 CermetTC60 Applicable toolholder Threading inserts 55° type (Partial profile/G, R, Rc, W) External threading / 55° partial profile Carbon steel / Alloy steel N O P Stainless steel N N M Cast iron N K Non-ferrous metals N N Applicable thread Dimension (mm) Carbide Insert Description G(PF)R(PT) WPitch IC S D1 RE PDX Thread angle (°) Profile type PVD - - TPI 16ER 5501 28~11 24~10 0.1 1.5 N ICPNAREPDX S 5502A55AG55 14, 1128, 1928~1116~940~1640~89.5253.68 4 0.2 1.50.0610.061.6555Partialprofile NNN G55 14, 11 14~8 0.22 1.7 N IC 16ER A55-TFPNAAG55-TFREPDXSG55-TF28, 1928~1114, 1140~16 0.06 140~89.5253.6840.061.614~80.221.6 N N N N55PartialNNNNprofileNNNN J24, J25, J26 IC PNA 16ERREPDXSA55-TQAG55-TQG55-TQ28, 1928~1114, 1140~16 0.06 140~89.5253.6840.061.614~80.221.6 N N N55PartialprofileNNNNNN Molded Chipbreaker J ICPNA 22ER N55 - 7~5 12.7 4.9 4.85 0.47 2.5 55 Partial 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: J42-J44 J20