Threading Technology – Clamping Technology 520

310 UNC UNF UN M MF NPSF Rp (BSPP) G W BSW, BSF NPT NPTF Rc (BSPT) BGF ZBGF GSF (Aero) GSF-Z GF(I), GF-Z GF-Vario-Z GF-H GF(I)-KEG CIRC-GF Gigant FPC, FMC MoSys SELF-LOCK Accessories Tech. Info v c / f z Product Finder ZGFI STI Circular Thread Mills ZGFI Inch Shank Carbide RH + LH 3 Flutes ASME B94.19 ø D For internal threads l 5 ø d 1 ø d 2 l 1 l 3 STI-UNC P 60° Unified Coarse Thread ASME B18.29.1 For wire thread inserts 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 Thread Depth 2 x D Nominal Size ø D T.P.I. inch ZGFI-VHM 2xD HA TICN ZGFI-VHM 2xD HB TICN l 1 l 3 l 5 ø d 1 ø d 2 Flutes STI-No. 4 40 1 5 / 8 1 3 / 32 0.291 0.117 1 / 8 3 GFS23706.5611 STI-No. 6 32 2 1 / 2 1 3 / 8 0.366 0.143 1 / 4 3 GFS23106.5613 STI-No. 8 32 2 1 / 2 1 3 / 8 0.417 0.167 1 / 4 3 GFS23106.5614 Other sizes upon request