Internal Grooving SIGE  SIGE-WH Carbide Shank Bar (with Coolant Hole) 2° Coolant Hole (φd) φA φD Fig.1 F α T L2 H L1 22°° L2 Coolant Hole (φd) φA φD Fig.2 F α T H L1 2° Coolant Hole (φd) φA G φD Fig.3 F α T H L2 L1 Grooving  Right-hand shown Right-hand Insert for Right-hand Toolholder, Left-hand Insert for Left-hand Toolholder.  Toolholder Dimensions Min. Spare Parts External Std. Bore Dimension (mm) Drawing Clamp Description Dia. Screw Wrench Applicable Inserts Internal FT G47, G48 R L φA φD H L1 L2 F T φd Face DT SIGE& 0808A-WH ● ● 8 8 7.2 125 28 4.8 1.5 3 SB-2045TRN FT-6 - GE&100-005A~GE&200-010A GER100-050AR~GER200-100AR 1010B-WH ● ● 10 125 35 6.2 Fig.1 GE&100-005B~GE&300-020B 1210B-WH ● ● 12 10 9 140 45 7 2.2 3 SB-2255TR - DT-7 GER100-050BR~GER200-100BR 1412C-WH ● ● 14 150 50 8.7 Fig.2 GE&100-005C~GE&350-020C 12 11.4 2.5 4 SB-2570TR FT-8 - GER150-010CM~GER350-020CM 1612C-WH ● ● 16 180 20 8.5 Fig.3 GER200-100CR~GER300-150CR · Dimension T shows available grooving depth. Available Groove Depth: “B” Dimension of Insert.  Applicable Insert & Rake Angle (α) after Installment of Insert Toolholder Applicable Insert & Rake Angle (α) after Installment of Insert Description Ground Chipbreaker α Molded Chipbreaker α SIGE& 0808A-EH GE&100-005A~GE&200-010A 5° - - GER100-050AR~GER200-100AR 1010B-EH GE&100-005B~GE&300-020B 5° - - 1210B-EH GER100-050BR~GER200-100BR 1412C-EH 1612C-EH GE&100-005C~GE&350-020C 8° GER150-010CM~GER350-020CM 10° GER200-100CR~GER300-150CR 1616C-EH 2020D-EH GE&100-005D~GE&400-020D 9° GER150-010DM~GER400-020DM 10° GER200-100DR~GER300-150DR 2525E-EH 3232E-EH GE&100-005E~GE&500-020E 10° GER150-010EM~GER500-020EM 10° 4032E-EH SIGE& 0808A-WH GE&100-005A~GE&200-010A 5° - - GER100-050AR~GER200-100AR 1010B-WH 1210B-WH GE&100-005B~GE&300-020B 5° - - 1008B-WH-90 GER100-050BR~GER200-100BR 1210B-WH-90 1412C-WH 1612C-WH GE&100-005C~GE&350-020C 8° GER150-010CM~GER350-020CM 10° GER200-100CR~GER300-150CR 1412C-WH-90 α indicates the rake angle at the center of the edge width, after installing insert.  : Std. Item G50