SEC-Threading Tools SSTE Type / SSTI Type ■ Inserts (For external diameter) 3.81 SSTE Type Standard Depth of Cut and Number of Passes F74 External ø3.94 ø9.525 PDY 3-RE PDX ● General purpose 60°/55°thread (without wiper edge) Dimensions (mm) ● US NPT 60°(with wiper edge) Dimensions (mm) Included Stock Pitch X Y Nose Pcs/ Included Stock Pitch X Y Nose Pcs/ Cat. No. direction direction radius Cat. No. direction direction radius angle AC530U mm Threads/inch PDX PDY RE Pack angle AC530U mm Threads/inch PDX PDY RE Pack 16ER A60-CB D 0.5 to 1.5 16 to 48 0.8 0.6 0.09 16ER 27NPT-CB D Q 27 0.8 0.6 0.06 60° 16ER AG60-CB D 0.5 to 3.0 8 to 48 1.5 1.1 0.10 5 16ER 18NPT-CB D Q 18 0.8 0.6 0.06 16ER G60-CB D 2.0 to 3.0 8 to 14 1.5 1.1 0.20 60° 16ER 14NPT-CB D Q 14 1.5 1.0 0.08 5 16ER A55-CB D Q 16 to 48 0.8 0.5 0.05 16ER 115NPT-CB D Q 11.5 1.5 1.0 0.08 55° 16ER AG55-CB D Q 8 to 48 1.5 1.1 0.08 5 16ER 08NPT-CB D Q 8 1.5 1.1 0.13 16ER G55-CB D Q 8 to 14 1.5 1.1 0.22 ● Tapered pipe thread / BSPT 55°(with wiper edge) Dimensions (mm) ● ISO Metric thread 60°(with wiper edge) Dimensions (mm) X Y Nose F Included Cat. No. Stock Pitch direction direction radius Pcs/ Included Stock Pitch X Y Nose Pcs/ angle Pack Cat. No. direction direction radius AC530U mm Threads/inch PDX PDY RE Threading angle AC530U mm Threads/inch PDX PDY RE Pack 16ER 28BSPT-CB D Q 28 0.8 0.6 0.13 Tools 16ER 075 ISO-CB D 0.75 Q 0.5 1.0 0.09 55° 16ER 19BSPT-CB D Q 19 0.8 0.6 0.18 5 16ER 100 ISO-CB D 1.00 Q 0.8 0.6 0.14 16ER 14BSPT-CB D Q 14 1.5 1.3 0.25 16ER 125 ISO-CB D 1.25 Q 0.8 0.7 0.15 16ER 11BSPT-CB D Q 11 1.5 1.0 0.31 Grooving 60° 16ER 150 ISO-CB D 1.50 Q 0.8 0.7 0.20 5 ● US NPTF 60°(with wiper edge) 16ER 175 ISO-CB D 1.75 Q 1.5 1.0 0.23 Dimensions (mm) Cut-Off 16ER 200 ISO-CB D 2.00 Q 1.5 1.1 0.26 Included Stock Pitch X Y Nose Pcs/ 16ER 250 ISO-CB D 2.50 Q 1.5 1.2 0.33 Cat. No. direction direction radius Threading angle AC530U mm Threads/inch PDX PDY RE Pack 16ER 300 ISO-CB D 3.00 Q 1.5 1.1 0.41 16ER 27NPTF-CB 27 0.8 0.6 0.06 D Q ● Unified thread 60°(with wiper edge) Dimensions (mm) 16ER 18NPTF-CB D Q 18 0.8 0.6 0.06 60° 16ER 14NPTF-CB D Q 14 1.5 1.0 0.13 5 Included Stock Pitch X Y Nose Pcs/ Cat. No. direction direction radius 16ER 115NPTF-CB D Q 11.5 1.5 1.0 0.12 angle AC530U mm Threads/inch PDX PDY RE Pack 16ER 32UN-CB D Q 32 0.5 1.0 0.10 ● UNJ 60°(with wiper edge) Dimensions (mm) 16ER 28UN-CB D Q 28 0.8 0.7 0.11 Included Stock Pitch X Y Nose Pcs/ 16ER 24UN-CB D Q 24 0.8 0.7 0.13 Cat. No. direction direction radius angle AC530U mm PDX PDY RE Pack 16ER 20UN-CB D Q 20 0.8 0.7 0.16 Threads/inch 16ER 18UN-CB D Q 18 0.8 0.7 0.18 16ER 32UNJ-CB D Q 32 0.5 1.0 0.13 60° 16ER 16UN-CB D Q 16 0.8 0.8 0.20 5 16ER 28UNJ-CB D Q 28 0.8 0.6 0.15 16ER 14UN-CB D Q 14 1.5 1.2 0.23 16ER 24UNJ-CB D Q 24 0.8 0.6 0.18 16ER 13UN-CB D Q 13 1.5 1.1 0.26 16ER 20UNJ-CB D Q 20 0.8 0.7 0.21 16ER 12UN-CB D Q 12 1.5 1.0 0.27 60° 16ER 18UNJ-CB D Q 18 0.8 0.6 0.23 5 16ER 10UN-CB D Q 10 1.5 1.2 0.33 16ER 16UNJ-CB D Q 16 0.8 0.6 0.25 16ER 08UN-CB D Q 8 1.5 1.2 0.42 16ER 14UNJ-CB D Q 14 1.5 1.1 0.29 16ER 12UNJ-CB D Q 12 1.5 1.1 0.34 ● Parallel pipe thread / Whitworth 55°(with wiper edge) Dimensions (mm) 16ER 10UNJ-CB D Q 10 1.5 1.1 0.40 Included Stock Pitch X Y Nose Pcs/ ■ Insert Identification Cat. No. direction direction radius angle AC530U mm Threads/inch PDX PDY RE Pack 16 (Example) E R 150 ISO - CB 16ER 36W-CB D Q 36 0.5 1.0 0.10 16ER 32W-CB D Q 32 0.5 1.0 0.11 16ER 28W-CB D Q 28 0.8 0.6 0.12 ① Insert size ③ Feed direction ④ Pitch or number of threads ⑤ Thread type ⑥ Chipbreaker 16ER 24W-CB D Q 24 0.8 0.6 0.15 Symbol Inscribed circle (mm) Symbol Direction edge Meter= Pitch ×100 times Wiperedge Symbol Type Symbol Contents 16 9.525 R Right Inch= Threads/inch ISO Meter thread CB With breaker 16ER 20W-CB D Q 20 0.8 0.6 0.18 wiper  (115 only when 11.5) UN Uni ed thread 16ER 19W-CB D Q 19 0.8 0.6 0.18 ② External/Internal (Example) 075: Pitch 0.75 mm W Witworth With 150: Pitch 1.5 mm Yes 55° 16ER 18W-CB 18 0.8 0.6 0.19 5 Symbol Distinction 20: 20 threads/inch NPT Taper for US pipes D Q E External Symbol Pitch/number of threads BSPT Tapered pipe thread 16ER 16W-CB D Q 16 0.8 0.6 0.22 I Internal Without wiper edge A Pitch: 0.5–1.5 mm NPTF Taper for US pipes Number of threads: 16–48 16ER 14W-CB D Q 14 1.5 1.0 0.25 AG Pitch: 0.5–3.0 mm UNJ For aerospace instruments Number of threads: 8–48 No 60 General purpose 60°thread 16ER 12W-CB D Q 12 1.5 1.1 0.29 G Pitch: 2.0–3.0 mm 55 General purpose 55°thread Number of threads: 8–14 16ER 11W-CB D Q 11 1.5 1.1 0.32 16ER 10W-CB D Q 10 1.5 1.1 0.35 16ER 08W-CB D Q 8 1.5 1.1 0.43 Warning: The red values have changed since those listed in the 2015-2016 Comprehensive Catalog. F70