Threading Technology – Clamping Technology 520

287 = In stock = Allow 7 days for delivery UNC UNF UN M MF NPSF Rp (BSPP) G BGF W BSW, BSF NPTF Rc (BSPT) STI SELF-LOCK Accessories Tech. Info v c / f z Product Finder ZBGF GSF (Aero) GSF-Z GF(I), GF-Z GF-Vario-Z GF-H ZGF(I) CIRC-GF Gigant FPC, FMC MoSys GFI-KEG NPT Thread Mills, Tapered GFI-ECO-KEG Inch Shank Carbide RH + LH 3-4 Flutes ASME B94.19 ø D The ECO design is perfect for short run manufacturers looking for economical tooling solution without sacrificing quality 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-ECO-KEG-VHM HB TICN l 1 l 2 l 3 ø d 1 ø d 2 Flutes 1 / 16 27 2 1 / 2 0.388 1 3 / 8 0.232 1 / 4 3 GFT53AA6.5763 1 / 8 27 2 1 / 2 0.388 1 3 / 8 0.246 1 / 4 3 GFT53AA6.5764 1 / 4 18 ⎫ ⎬ ⎭ 2 1 / 2 0.582 1 3 / 8 0.307 5 / 16 3 GFT53A06.9677 3 / 8 18 1 / 2 14 ⎫ ⎬ ⎭ 3 1 / 2 0.748 1 25 / 32 0.488 1 / 2 4 GFT53A16.9678 3 / 4 14 1 11 1 / 2 ⎫ ⎪ ⎬ ⎪ ⎭ 4 0.911 1 29 / 32 0.606 5 / 8 4 GFT53A36.9679 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 Thread Hole Preparatory Diameters for Tapered Pipe Thread NPT, Taper 1:16 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 (+0.002) t 4 1 / 16 27 0.2421 0.2343 0.2516 0.3268 1 / 8 27 0.3346 0.3268 0.3441 0.3268 1 / 4 18 0.4331 0.4232 0.4472 0.4783 3 / 8 18 0.5669 0.5571 0.5827 0.4902 1 / 2 14 0.7008 0.6870 0.7213 0.6417 3 / 4 14 0.9114 0.8976 0.9319 0.6417 1 11 1 / 2 1.1437 1.1280 1.1689 0.7697 1 1 / 4 11 1 / 2 1.4882 1.4705 1.5138 0.7894 1 1 / 2 11 1 / 2 1.7264 1.7106 1.7528 0.7894 2 11 1 / 2 2.1988 2.1831 2.2268 0.8051 new