Tools for External Turning and Internal Boring S-Style Screw Clamp Toolholders for Positive Inserts See pages B68–B80 for inserts. „SSBC 75° gage shim insert order number catalogue number H B F L1 L2 FA insert shim screw hex screw Torx right hand 3879850 SSBCR1616H09 16 16 13,0 100 16,0 2,2 SC..096308 SKSP343 SRS3 3.5 mm MS1156 T15 3879741 SSBCR2020K12 20 20 17,0 125 21,0 3,1 SC..120408 SKSP453 SRS4 4 mm MS1158 T15 3879740 SSBCR2525M12 25 25 22,0 150 21,0 3,1 SC..120408 SKSP453 SRS4 4 mm MS1158 T15 left hand 3879739 SSBCL1616H09 16 16 13,0 100 16,0 2,2 SC..09T308 SKSP343 SRS3 3.5 mm MS1156 T15 3879852 SSBCL2020K12 20 20 17,0 125 21,0 3,1 SC..120408 SKSP453 SRS4 4 mm MS1158 T15 3879851 SSBCL2525M12 25 25 22,0 150 21,0 3,1 SC..120408 SKSP453 SRS4 4 mm MS1158 T15 C46 widia.com