SEC- Boring Bar Series Tooling Selection Guide Applications Interior Sphere Through Hole Boring Blind Hole Boring Bottom Facing Insert shape 35˚ Diamond V Trigon W Square S Trigon W / Others Triangular Type T / Others Construction / Shank material Type /Others Steel shank S-SVJB Expanded/S-SVJC S-SWUB(BBPW) E55 S-SSKP(BBPS) E49 S-SWUB(BBPW) E55 S-STUP/S-STUB E38 S-SWUP Expanded E57 S-SSKC E50 S-SWUP Expanded E57 (BBPC) E58 Screw Lock A-STUP E58 Vibration control shank B-SVJB B-STUP/D-STUP* E E38 (XBPT/XBPT-H) E59 Carbide shank Bars Boring C-SWUB C-SSKP C-SWUB C-STUP/C-STUB E-STUP* (WBPW) (WBPS) (WBPW) (WBPW) (WBPT-H) E55 E49 E55 E60 E60 Top Clamp / Double Clamp Steel shank S-DSKN Expanded CKB S-DWLN Expanded S-DTFN Expanded E53 E71 E25 E69 Carbide shank S-CSKP S-CTFP E50 E66 Vibration control shank D-DWLN D-DTFN E26 E69 Lever Lock Steel shank S-PSKN Expanded E53 S-PWLN Expanded S-PTFN Expanded S-PSYN E54 E26 E68 Vibration control shank B-PTFN E68 Pin Lock Steel shank S-ESKN/S-ESYN S-ETFN (BSKN/BSYN) E54 (BTFN) E70 Solid Carbide shank BXBR E75 CBN Carbide shank BSME Expanded BNBX BNB SEXC Expanded E76 E78 E78 E77 * mark: With oil hole The type codes in ( ) are old type codes. E3