Threading Technology – Clamping Technology 520

288 Thread Mills, Tapered GF-KEG UNC UNF UN M MF NPSF Rp (BSPP) G W BSW, BSF NPTF Rc (BSPT) 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 NPT Ordering Example: GF173101.5763 NPT 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 NPT P 60° 1:16 American Tapered Pipe Thread, ANSI/ASME B1.20.1 For threads with dryseal material , 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 IKZ-HB GF-KEG-VHM IKZ-HB TICN l 1 l 2 l 3 ø d 1 ø d 2 inch mm Flutes 1 / 16 27 2.165 0.388 1.417 0.232 0.315 8 3 GF173101.5763 GF173106.5763 1 / 8 27 2.165 0.388 1.417 0.301 0.315 8 3 GF173101.5764 GF173106.5764 1 / 4 18 2.953 0.582 1.772 0.400 0.472 12 4 GF173111.5765 GF173116.5765 3 / 8 18 2.953 0.582 1.772 0.439 0.472 12 4 GF173111.5766 GF173116.5766 1 / 2 14 ⎫ ⎬ ⎭ 3.150 0.749 1.890 0.561 0.630 16 4 GF173131.9678 GF173136.9678 3 / 4 14 1 11 1 / 2 ⎫ ⎪ ⎬ ⎪ ⎭ 3.543 0.911 1.969 0.772 0.787 20 5 GF173151.9679 GF173156.9679 1 1 / 4 11 1 / 2 1 1 / 2 11 1 / 2 2 11 1 / 2