WFHF Standard corner-R (RE) Back rake angle (°) BH External turning Toolholders for general purpose VN insert PVVN (External turning / External copying) LH LF 70° D Toolholder dimensions Spare parts Availa-bility Dimension (mm) Lock pin Lock screw Shim Wrench (hex.) Description Applicable inserts N H B LH HF LF WF PVVNN 2020K-16Q N 20 20 35 20 125 10 LP-2S 0.8 -11 LS-15 KVN-32 LW-3 VN..1604 2525M-16Q N 25 25 40 25 150 12.5 LP-6S When using inserts whose corner-R(RE) is greater than 1.2 mm, additional modifications to the shim are necessary in order to prevent workpiece and shim from interfering each other. Applicable inserts Applications Hard materials Cast iron/ Hard materialsCBNCeramicsFinishing Finishing Finishing Finishing - Medium Finishing - Medium Finishing - Medium Insert Toolholder PVLN - 16Q PVPN - 16Q VNUU1604........ME VNUA1604......25 VNMG1604..GP VNMG1604..PP VNGG1604....S VNMG1604..VF VNMG1604..HQ VNMG1604..MQ PVVN - 16Q Page C12 B115 B45 B45 B46 B47 B46 B46 Applications Finishing - Medium Finishing - Medium Finishing - Medium Hard materials/ Cast ironCBN Medium Medium Medium - Roughing Medium - Roughing Insert Toolholder PVLN - 16Q PVPN - 16Q VNMG1604..PQ VNGG1604...... VNMG1604....VC VNGA160408......ME.. VNMG1604..TN-V VNGG1604.... VNMG1604..MS VNMG1604..MU PVVN - 16Q Page B46 B46 B47 C12 B45 B45-B46 B46 B46 Applications Roughing Roughing Roughing Roughing Without Chipbreaker Non-ferrous metalsPCD Insert Toolholder PVLN - 16Q PVPN - 16Q VNMG1604..KG VNMG1604..KH VNMG1604..SG VNMG1604.. VNGA1604.. VNMM1604........ PVVN - 16Q Page B45 B45 B45 B45 B46 C29 N : Standard item Recommended cutting conditions: D53 - D54 D31