Threading Inserts Internal ■ External Threading Inserts 55° P ● 55° Type [Partial Profile / G (PF), R (PT, BSPT), (W)] External Partial Profile 55° (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 G(PF) W R(PT) TC60M PR1115 GW15 Pitch rε S θ Handed Insert shows Right-hand TPI R L R L R L A 16ER A55-TF 28,19 40~16 0.06 1.00 ● θ φd G55-TF 14,11 14~8 0.22 1.60 55゚ ● rε S T AG55-TF 28~11 40~8 0.06 1.60 ● Profile 16ER A55 28,19 40~16 0.06 1.00 ● J36 Partial G55 14,11 14~8 0.22 1.70 ● J37 A 55゚ θ AG55 28~11 40~8 0.06 1.65 ● φd 22ER N55 - 7~5 0.47 2.50 ● ● rε S T 16ER 5501 28~11 24~10 0.10 1.50 ● 5502 14,11 16~9 0.20 1.50 55゚ ● J ● Applicable Toolholders Recommended Cutting Conditions J32 Insert Description Applicable Toolholders Ref. to Page for Applicable Toolholders 16ER・・・ KTNR∙∙-16 KTNSR∙∙-16 J16 Threading 22ER・・・ KTNR∙∙-22 Internal 30゜ ■ External Threading Inserts P ● 30° Trapezoidal (Tr) External Partial Profile 30° (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 Tr TC60M PR1115 GW15 Pitch rε S θ Handed Insert shows Right-hand mm R L R L R L Partial Profile A 16ER 200TR 2.0 0.20 1.6 ● ● θ 300TR 3.0 0.20 1.6 30゚ ● ● φd 22ER 400TR J37 4.0 0.20 2.5 ● ● rε S rε T 500TR 5.0 0.20 2.5 30゚ ● ● ● Applicable Toolholders Recommended Cutting Conditions J32 Insert Description Applicable Toolholders Ref. to Page for Applicable Toolholders 16ER・・・ KTNR∙∙-16 KTNSR∙∙-16 J16 22ER・・・ KTNR∙∙-22 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 J14 sold in 5 piece boxes. sold in 10 piece boxes.