
SEC-External Holders DVQN Type SEC-D Type Holder - General Turning, Profiling and Undercutting 117.5˚ Double Clamp DVQN Fig 1 External / Profiling / Undercutting B WF External Holders 117.5˚ –10˚ LF LH –13˚ C HF H Figure shows right-hand (R) tool. Holder Parts Dimensions (mm) Cutting Clamp Shim Wrench Upper Surface Lower Surface Neg. Stock Overall Cutting Applicable Insert Shim Height Width Edge Head Set Screw for Shims Wrench Wrench Length Edge Height Cat. No. Fig Ref. R L Cat. No. Nm H B LF WF HF LH Page (For Torx Holes) (For Hex Socket) (For Hex Socket) Pos. DVQN R/L2020K16 ● ● 20 20 125 25 20 35 B66 1 VN□□1604 on SCP-4 5.0 VNS1604 BFTX0307N TRX10(*) LH040 LH025 DVQN R/L2525M16 ● ● 25 25 150 32 25 35 1 *Wrench for shim is sold separately from the main body. Clamp Set Parts C44 C D R S T V W Applicable Inserts DVJN Type / DVVN Type / DVQN Type Special Name of ● Refer as well to the Insert Selection Guide (page A10 on). Chipbreaker / GU Legend 1st Recommended Insert CBN / PCD Photo ● Some combinations need to be made to order or cannot be manufactured. Grade AC8025P Cutting Range P (Steel) M (Stainless Steel) K (Cast Iron) S (Exotic Alloy) N (Non-ferrous) H (Hardened Steel) Hard Brittle Material Process Finishing Medium Cutting Finishing Medium Cutting High-speed Finishing Finishing to Medium Cutting Finishing Medium Cutting Q Coated Uncoated Finishing Continuous FE GU EF EG SUMIBORON UZ EF EG SUMIDIA SUMIBORON SUMIBORON SUMIDIA Binderless Cutting T1500Z AC8015P AC6020M AC6020M BN7000/BNC500 AC4010K AC5015S AC5015S DA1000 BNC2010 BN1000 NPD10 General SU GU EF EG SUMIBORON GZ EF EG SUMIDIA SUMIBORON SUMIBORON SUMIDIA Cutting AC8015P AC8025P AC6030M AC6030M BN7000/BNC500 AC4015K AC5015S AC5015S DA1000 BNC2020 BN2000 DA90 Interrupted SX UX EF EG SUMIBORON GZ EF EG SUMIDIA SUMIBORON SUMIBORON Cutting Q AC8025P AC8035P AC6030M AC6040M BN7000/BNC500 AC420K AC5025S AC5025S DA1000 BNC300 BN350 Recommended Cutting Conditions A10 on A14 on A16 A18 on A22 on A20 on M2 on BNC500 is for ductile cast iron. N m Recommended Tightening Torque (N·m) C35