Threading Technology – Clamping Technology 520

286 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 GFI-KEG NPT Thread Mills, Tapered GFI-KEG Ordering Example: GFT53106.5763 Inch Shank Carbide RH + LH 3-5Flutes ASME B94.19 ø D For internal tapered threads ø d 2 9 Thr. l 3 ø d 1 l 2 l 1 Without internal coolant supply (IKZ) 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 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 GFI-KEG-VHM HB TICN l 1 l 2 l 3 ø d 1 ø d 2 Flutes 1 / 16 27 2 1 / 4 0.388 1 3 / 8 0.232 5 / 16 3 GFT53106.5763 1 / 8 27 2 1 / 4 0.388 1 3 / 8 0.301 5 / 16 3 GFT53106.5764 1 / 4 18 3 1 / 4 0.582 1 25 / 32 0.400 1 / 2 4 GFT53116.5765 3 / 8 18 3 1 / 4 0.582 1 25 / 32 0.439 1 / 2 4 GFT53116.5766 1 / 2 14 ⎫ ⎬ ⎭ 3 1 / 2 0.749 1 29 / 32 0.561 5 / 8 4 GFT53136.9678 3 / 4 14 1 11 1 / 2 ⎫ ⎪ ⎬ ⎪ ⎭ 3 3 / 4 0.913 2 1 / 32 0.772 3 / 4 5 GFT53156.9679 1 1 / 4 11 1 / 2 1 1 / 2 11 1 / 2 2 11 1 / 2 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