Indexable Tools Tooling by DIJET Under Cutter DUMTYPE Side relief cutting for blanking dies and shearing dies. R6 corner radius insert can reduce the risk of cracking at edge of dies after hardening. ● DUM-6R type (Straight shank) DUM-6R type (Straight shank) ● DUM-MT type (MT shank) rε ● DUM-W※R type (Straight shank・with corner radius) DUM-W※R type ℓs (Straight shank・with corner radius) L ■ BODY No. of Applicable Inserts Insert with Dimensions (mm) Cat. No. Stock corner radius BottomSide(R)ShankSide(L)Peripheral φDcrε ℓ ℓ2 ℓs L φD1 φDs Md DUM-25023S20-W2R □ 1 1 − 25 R2 23.5 48.5 201.5 19.3 20 DUM32034S25-6R □ 1 3DUM32050S25-6R*C Body(Carbide shank)□−1532345083167 250 24.5−−24.525 − DUM320184T-MT5 □ 1 3 34 184 136 320 24.5 MT5 M20×2.5 DUM-32033S25-W6R □ 1 1 1 33 58 192 24.5 25 DUM36038S32-6R □DUM36050S32-6R□ 1 3 36 38 89 161 3115R65010114932 DUM40040S32-6R □ 2 8 40DUM40052S32-6R□−210 4052 91 159103147 250 31.5 32 − DUM50020S42-6R □ 2 2 20 70 180 41 DUM50036S42-6R □DUM50050S42-6R□ 2 6 50210 36 87 16350107143 4040 42 DUM-50055S42-W6R □ 2 2 8 55.7 90 160 41 Note) 1. All cutters are supplied without inserts. 2. Please refer page C216 for recommended cutting conditions. C214 : Standard stock items □ : Stock in Japan ○ : Soon to be deleted