Threading Technology – Clamping Technology 520

263 Thread Mills GF UNC UNF UN M MF NPSF Rp (BSPP) G BGF W BSW, BSF NPT NPTF Rc (BSPT) STI SELF-LOCK Accessories Tech. Info v c / f z ZBGF GSF (Aero) GSF-Z GF(I)-KEG ZGF(I) CIRC-GF Gigant FPC, FMC MoSys GF(I), GF-Z GF-Vario-Z GF-H Product Finder 1 / 2 P 1 P 1 / 2 P Right-Hand Spiral Flutes GF-Z Right-Hand Spiral Flutes GF-Vario-Z For Hard Materials GF-H Metric Shank Metric Shank Metric Shank Page 268 UNC 269 UNF 268, 269 UN 275 276 278 M 275 276, 277 MF 281 281 G (BSP), Rp (BSPP), W NPSF LK-M, LK-MF Face chamfer with/without cutting face AZR/AZ (alternating teeth) Remove incomplete thread IKZN (internal coolant supply exiting in the flutes) Recessed neck Coolant grooves along the shank For a description of these modifications, see page 357 Possible modifications Thread milling cycle GF-Vario-Z, GF-H