■ Internal Threading Inserts ● Unified (UN) 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 ● 16IR 9.525 3.68 4.0 ● :1st Choice K Cast Iron Ref. to Page for 22IR 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 16IR 24UN-TF 24 0.06 0.8 ● 20UN-TF 20 0.08 1.0 ● rε S T 18UN-TF 18 0.09 1.0 ● 16UN-TF 16 0.10 1.1 ● φd 14UN-TF 14 0.12 1.5 60゜ ● θ 13UN-TF 13 0.13 1.5 ● Full Profile A 12UN-TF 12 0.14 1.5 ● 10UN-TF 10 0.17 1.5 ● J33 08UN-TF 8 0.21 1.8 ● 16IR 24UN 24 0.05 0.8 ● ● rε S T 20UN 20 0.07 1.0 ● ● 18UN 18 0.09 1.0 ● ● φd 16UN 16 0.10 1.1 60゜ ● ● θ 14UN 14 0.12 1.5 ● ● J A 12UN 12 0.14 1.5 ● ● 22IR 08UN 8 0.20 1.8 ● ● ● Applicable Toolholders Recommended Cutting Conditions J32 Insert Applicable Ref. to Page for Threading Description Toolholders Applicable Toolholders 16IR・・・ SINR∙∙-16 CINR∙∙-16 J17 22IR・・・ SINR∙∙-22 CINR∙∙-22 ■ Internal Threading Inserts ● 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 16IR 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 rε S T 16IR 19W-TF 19 - 0.16 1.0 ● 16W-TF - 16 0.19 1.1 55゜ ● Profile φd 14W-TF θ 14 14 0.23 1.5 ● A 11W-TF 11 11 0.30 1.5 ● J34 Full rH S T 16IR 14W 14 14 0.23 1.5 ● ● Id 55゜ T 11W 11 11 0.30 1.5 ● ● A ● Applicable Toolholders Recommended Cutting Conditions J32 Insert Applicable Ref. to Page for Description Toolholders Applicable Toolholders 16IR・・・ SINR∙∙-16 J17 CINR∙∙-16 · No wiper effect is expected when threading the internal whitworth screw using 16IR ○○ W (TNN32IR ○○ W) insert. 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 ●: Std. Item PR1115 / GW15 (Threading) are TC60M (Threading) are sold in 5 piece boxes. sold in 10 piece boxes. J9