Threading Inserts Internal ■ External Threading Inserts 60゜ P ● Unified (UN) External Full Profile 60° (mm) P Carbon Steel / Alloy Steel ● Depth of Cut & Number of Passes Description A T φd Classification of usage M Stainless Steel ● 16ER 9.525 3.68 4.0 ● :1st Choice K Cast Iron Ref. to Page for 22ER 12.70 4.9 4.85 N Non-ferrous Metals Applicable Dimension Angle Cermet PVD Coated Carbide Thread (mm) Carbide Insert Description UN,UNF TC60M PR1115 GW15 Pitch rε S θ Handed Insert shows Right-hand TPI R L R L R L 16ER 24UN-TF 24 0.12 0.80 ● 20UN-TF 20 0.15 1.00 ● A 18UN-TF 18 0.18 1.00 ● 16UN-TF 16 0.20 1.10 ● θ 14UN-TF 14 0.23 1.50 60゜ ● φd rε 13UN-TF 13 0.25 1.50 ● Full Profile S T 12UN-TF 12 0.27 1.50 ● 10UN-TF 10 0.34 1.50 ● J33 08UN-TF 8 0.43 1.75 ● 16ER 24UN 24 0.13 0.8 ● ● 20UN 20 0.16 1.0 ● ● A 18UN 18 0.18 1.0 ● ● θ 60゜ φd 16UN 16 0.20 1.1 ● ● J S T 14UN 14 0.23 1.5 ● ● rε 12UN 12 0.27 1.5 ● ● 22ER 08UN 8 0.43 2.1 ● ● ● Applicable Toolholders Recommended Cutting Conditions J32 Threading Insert Applicable Ref. to Page for Description Toolholders Applicable Toolholders Internal 16ER・・・ KTNR∙∙-16 KTNSR∙∙-16 J16 22ER・・・ KTNR∙∙-22 55° ■ External Threading Inserts P External ● Parallel Pipe [G (PF)] Whitworth (W) P Carbon Steel / Alloy Steel ● Depth of Cut & Number of Passes Full Profile 55° (mm) Classification of usage M Stainless Steel ● Description A T φd ● :1st Choice K Cast Iron 16ER 9.525 3.68 4.0 N Non-ferrous Metals Ref. to Page for Applicable Dimension Angle Cermet PVD Coated Carbide Thread (mm) Carbide Insert Description G W (PF) TC60M PR1115 GW15 Pitch rε S θ Handed Insert shows Right-hand TPI R L R L R L A 16ER 19W-TF 19 - 0.16 1.0 ● θ 16W-TF - 16 0.19 1.1 ● φd 55゜ Profile 14W-TF 14 14 0.23 1.5 ● rε S T 11W-TF 11 11 0.30 1.5 ● A J34 Full 16ER 19W 19 - 0.16 1.0 ● ● T Id 14W 14 14 0.23 1.5 55゜ ● ● rH S T 11W 11 11 0.30 1.5 ● ● ● Applicable Toolholders Recommended Cutting Conditions J32 Insert Applicable Ref. to Page for Description Toolholders Applicable Toolholders 16ER・・・ KTNR∙∙-16 J16 KTNSR∙∙-16 M: Metric R,Rc(PT)(BSPT): Tapered Pipe Applicable UN: Unified W: Whitworth Thread UNF: Unified Fine Thread NPT: American National Tapered Pipe G (PF): Parallel Pipe Tr: 30° Trapezoidal PR1115 / GW15 (Threading) are TC60M (Threading) are ●: Std. Item J8 sold in 5 piece boxes. sold in 10 piece boxes.