Designation key for solid carbide thread milling cutters WALTER Example Tool type 5 Thread milling cutter 9 Toolholder/accessories 3 Thread type
Designation key for solid carbide thread milling cutters WALTER Example Tool type 5 Thread milling cutter 9 Toolholder/accessories 3 Thread type 0 Metric 1 Metric fine 2 UNC / UN 3 UNF / UNEF 4 G / Rp / Rc 5 NPT / NPSM 6 NPTF 7 PG 8 BSW / W 9 Tr 4 Tool version 3 Shank thread milling cutter, thin version, short dimensions 4 Shank thread milling cutter, short version 5 Shank thread milling cutter 6 Shank 7 Thread milling cutter 5 Tool version 0 Bolt thread milling cutter, right handed 1 Nut thread milling cutter, RH-cutting 10° helix 2 Nut and bolt thread milling cutter, RH-cutting 3 Nut thread milling cutter, RH-cutting, for hardened steel 4 Nut thread milling cutter, right handed, without countersink, slim version 5 Nut thread milling cutter, RH-cutting, 27° helix 6 Nut thread milling cutter, RH-cutting, 27° helix, rounded profile Shank/bore version 0 Cylindrical shank DIN 1835 A 1 Cylindrical shank DIN 1835 B 6 8 Coating 2 NHC-coated 6 TiCN-coated 8 TAX-coated D 15 Threading WALTER PROTOTYP H 5 0 4 5 0 1 6 i 2 3 4 5 6 7 8 2