Threading Technology – Clamping Technology 520

298 UNC UNF UN M MF NPSF Rp (BSPP) G W BSW, BSF NPT NPTF STI BGF ZBGF GSF (Aero) GSF-Z GF(I), GF-Z GF-Vario-Z GF-H ZGF(I) CIRC-GF Gigant FPC, FMC MoSys SELF-LOCK Accessories Tech. Info v c / f z Product Finder GF-KEG Rc (BSPT) Rc cutters are manufactured with a corrected profile Application recommendation: You must have an NC program for a spiral formed helix to prevent a profile step Metric Shank Carbide RH + LH 3-5Flutes DIN 6535 HB HE HA ø D For internal tapered threads ø d 2 9 Thr. l 3 ø d 1 l 2 l 1 Rc (BSPT) P 55° 1:16 Tapered Whitworth Pipe Thread, DIN EN ISO 10226-2 and ISO 7-1 Where pressure-tight joints are made on the threads, taper 1:16 Coating TICN Applications – Material P 1 .1- 5 .1 K 1 .1- 4 .2 N 1 .1-5, 2 .1-6 N 3 .1-2 N 4 .1-2, 5 .2 S 1 .1-3 P 1 .1- 5 .1 M 1 .1- 4 .1 K 1 .1- 4 .2 N 1 .1- 5 .2 S 1 .1- 2 .6 H 1 .1-2 Nominal Size ø D T.P.I. inch GF-KEG-VHM IKZN-HB GF-KEG-VHM IKZN-HB TICN l 1 l 2 l 3 ø d 1 ø d 2 inch mm Flutes 1 / 16 28 2.165 0.337 1.417 0.232 0.315 8 3 GF193101.4114 GF193106.4114 1 / 8 28 2.165 0.337 1.417 0.301 0.315 8 3 GF193101.4115 GF193106.4115 1 / 4 19 2.953 0.550 1.772 0.400 0.472 12 4 GF193111.4116 GF193116.4116 3 / 8 19 2.953 0.549 1.772 0.439 0.472 12 4 GF193111.4117 GF193116.4117 1 / 2 14 ⎫ ⎬ ⎭ 3.150 0.750 1.890 0.561 0.630 16 4 GF193131.9561 GF193136.9561 3 / 4 14 1 11 ⎫ ⎪ ⎬ ⎪ ⎭ 3.543 0.955 1.969 0.772 0.787 20 5 GF193151.9562 GF193156.9562 1 1 / 4 11 1 1 / 2 11 2 11 new new Thread Mills, Tapered GF-KEG Ordering Example: GF193101.4115 Thread Hole Preparatory Diameters for Tapered Pipe Thread Rc (BSPT), Taper 1:16 Hole type A) can be used when there is no reason to worry about sealing problems A) Cylindrical preparation of thread hole ø D 1 t 4 B) Tapered preparation of thread hole ø D 3 ø D 2 t 4 Taper 1:16 Nominal size ø D T.P.I. inch ø D 1 ø D 2 ø D 3 (JS11) t 4 1 / 16 28 0.2421 0.2402 0.2583 0.3091 1 / 8 28 0.3209 0.3189 0.3374 0.3091 1 / 4 19 0.4272 0.4232 0.4508 0.4587 3 / 8 19 0.5630 0.5610 0.5886 0.4744 1 / 2 14 0.7008 0.6969 0.7335 0.6260 3 / 4 14 0.9134 0.9094 0.9496 0.6594 1 11 1.1496 1.1457 1.1925 0.7736 1 1 / 4 11 1.4882 1.4803 1.5335 0.8642 1 1 / 2 11 1.7205 1.7126 1.7657 0.8642 2 11 2.1732 2.1654 2.2307 1.0335