SEC-External Holders ETFN Type 91° SEC-30 Type Holder - Facing Pin Lock ETFN Fig 1 Fig 2 Facing 91˚ WF B External Holders Fig 3 LF –5˚ LH –5˚ Fig 4 C HF H LH Figure shows right-hand (R) tool. Holder Parts  Neg. Dimensions (mm) Stock Overall Cutting Cutting Edge Applicable Insert Eccentric Shaft Shim Wrench Height Width Head Length Edge Height Cat. No. Previous Cat. No. Ref. Fig R L Cat. No. H B LF WF HF LH Page ETFN R/L1212F11 ETFN R/L1212 ● ● 12 12 80 16 11.5 Q TN□□1103 B54 1 P221US Q KY25 Pos. ETFN R/L1616H1603 ETFN R/L1616H32 16 16 100 20 15.5 Q TN□□1603 B55 on 1 P322US Q KY40 ETFN R/L1616H1604 ETFN R/L1616H33 ● ● 16 16 100 20 15.5 Q TN□□1604 B56 on 1 P332US Q KY40 ETFN R/L2020K1603 ETFN R/L2020K32 20 20 125 25 19.5 Q 1 P323US Q TN□□1603 B55 on KY40 ETFN R/L2020K1603W ETFN R/L2020K32W 20 20 125 25 19.5 Q 2 P323WS EST32 ETFN R/L2020K1604 ETFN R/L2020K33 20 20 125 25 19.5 Q 1 P333US Q ETFN R/L2020K1604W ETFN R/L2020K33W ● ● 20 20 125 25 19.5 Q 2 P333WS EST32 C ETFN R/L2520M1604 ETFN R/L2520 25 20 150 25 24.5 Q 1 P334US Q TN□□1604 B56 on KY40 ETFN R/L2520M1604W ETFN R/L2520W 25 20 150 25 24.5 Q 2 P334WS EST32 ETFN R/L2525M1604 ETFN R/L2525M33 25 25 150 32 24.5 Q 1 P334US Q ETFN R/L2525M1604W ETFN R/L2525M33W ● ● 25 25 150 32 24.5 Q 2 P334WS EST32 ETFN R/L2525M22 ETFN R/L2525M43 25 25 150 32 24.5 30 3 P434U Q D TN□□2204 B61 on KY40 ETFN R/L2525M22W ETFN R/L2525M43W ● ● 25 25 150 32 24.5 30 4 P434W EST43 When using handed breaker inserts for facing, the holder and insert are opposite handed. R S T V W Applicable Inserts DTGN Type/DTFN Type/PTGN Type/PTTN Type/PTFN Type/ETGN Type/ETAN Type/ETFN Type/ETEN Type/ETXN Type/MTJN Type/MTXN 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) Process Finishing Medium Cutting Roughing Finishing Medium Cutting Roughing High-speed Finishing Finishing to Medium Cutting Medium to Roughing Finishing Medium Cutting Roughing Q Coated Uncoated Continuous FE GU MU EF EG EM SUMIBORON UZ GZ EF EG EM SUMIDIA SUMIBORON SUMIBORON Cutting T1500Z AC8015P AC8025P AC6020M AC6020M AC6030M BN7000/BNC500 AC4010K AC4010K AC5015S AC5015S AC5015S DA1000 BNC2010 BN1000 General SU GU MU EF EG EM SUMIBORON GZ GZ EF EG EM SUMIDIA SUMIBORON SUMIBORON Cutting AC8015P AC8025P AC8025P AC6030M AC6030M AC6040M BN7000/BNC500 AC4015K AC4015K AC5015S AC5015S AC5025S DA1000 BNC2020 BN2000 Interrupted SX UX MX EF EG EM SUMIBORON GZ GZ EF EG EM SUMIDIA SUMIBORON SUMIBORON Cutting AC8025P AC8035P AC8035P AC6030M AC6040M AC6040M BN7000/BNC500 AC420K AC420K AC5025S AC5025S AC5025S DA1000 BNC300 BN350 Recommended Cutting Conditions A10 on A14 on A16 on A18 on A22 on A20 on BNC500 is for ductile cast iron. C29