Threading Technology – Clamping Technology 520

266 Thread Mills GF UNC UNF M MF NPSF Rp (BSPP) G W BSW, BSF NPT NPTF Rc (BSPT) STI BGF ZBGF GSF (Aero) GSF-Z GF-Vario-Z GF-H GF(I)-KEG ZGF(I) CIRC-GF Gigant FPC, FMC MoSys SELF-LOCK Accessories Tech. Info v c / f z Product Finder GF (I), GF-Z UN Ordering Example: GF163211.9579 Metric Shank Carbide RH + LH 4-5Flutes DIN 6535 HB HE HA ø D For internal threads l 1 ø d 1 l 2 ø d 2 l 3 UN P 60° Unified Threads ASME B1.1 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 T.P.I. ø D min. inch GF-VHM IKZ-HB GF-VHM IKZ-HB TICN ø d 1 l 1 l 2 l 3 ø d 2 inch mm Flutes 24 1 / 2 0.390 2.756 0.642 1.575 0.394 10 4 GF163211.9579 GF163216.9579 20 1 / 2 0.390 2.756 0.673 1.575 0.394 10 4 GF163211.9580 GF163216.9580 20 11 / 16 0.469 3.150 0.823 1.772 0.472 12 4 GF163121.9580 GF163126.9580 20 7 / 8 0.626 3.543 1.020 1.890 0.630 16 5 GF163131.9580 GF163136.9580 20 1 0.783 4.134 1.272 1.969 0.787 20 5 GF163151.9580 GF163156.9580 18 1 / 2 0.390 2.756 0.689 1.575 0.394 10 4 GF163211.9581 GF163216.9581 16 1 / 2 0.390 2.756 0.654 1.575 0.394 10 4 GF163211.9582 GF163216.9582 16 11 / 16 0.469 3.150 0.839 1.772 0.472 12 4 GF163121.9582 GF163126.9582 16 7 / 8 0.626 3.543 1.031 1.890 0.630 16 5 GF163131.9582 GF163136.9582 16 1 0.783 4.134 1.276 1.969 0.787 20 5 GF163151.9582 GF163156.9582 14 7 / 8 0.626 3.543 1.031 1.890 0.630 16 5 GF163131.9583 GF163136.9583 12 11 / 16 0.469 3.150 0.870 1.772 0.472 12 4 GF163121.9585 GF163126.9585 12 7 / 8 0.626 3.543 1.035 1.890 0.630 16 5 GF163131.9585 GF163136.9585 12 1 0.783 4.134 1.287 1.969 0.787 20 5 GF163151.9585 GF163156.9585 10 11 / 16 0.469 3.150 0.843 1.772 0.472 12 4 GF163121.9587 GF163126.9587 9 11 / 16 0.469 3.150 0.827 1.772 0.472 12 4 GF163121.9588 GF163126.9588 8 7 / 8 0.626 3.543 1.055 1.890 0.630 16 5 GF163131.9589 GF163136.9589 8 1 0.783 4.134 1.307 1.969 0.787 20 5 GF163151.9589 GF163156.9589 6 1 0.783 4.134 1.409 1.969 0.787 20 5 GF163151.9591 GF163156.9591 Tools for different thread pitch upon request