SUMIDIA Very Small Diameter CKB Type Boring Bars ■ Characteristics ● Achieves high index accuracy with a simple structure and one touch clamping easy operation. ● DA2200 with excellent cutting performance is used for the cutting edge. ■ Inserts DMIN min. Grade Min. machining Cutting edge machining diameter CDX diameter position Offset Nose radius Length Depth of cut 15° Cat. No. DA2200 DMIN WF3 E3 RE L CDX WF3 3.8 KBMX R0311-10 D 3.0 4.1 0.3 0.1 28.5 11 E3 15° L R0411-10 D 4.0 4.3 0.5 0.1 28.5 11 RE 6.2 7.0 R0511-10 D 5.0 4.5 0.7 0.1 28.5 11 12.7 55° ■ Angled Shanks WF B E3 L1 CDX 20 ■ Parts HF H ■ Holders For E3 and CDX, see the insert column Dimensions (mm) Height Width Length Cutting edge Cutting edge Double ended Cat. No. Stock distance height Clamp Wrench H B L1 WF HF screw CKB R1010-16 D 10 10 100 10 10 R1212-16 D 12 12 125 12 12 R1616-16 D 16 16 125 16 16 CKBW16 WB4-8 LH020 R2020-16 D 20 20 125 20 20 R2525-16 25 25 150 25 25 4 Note: The insert is not included in the holder. ■ Round Shanks Fig 1 Fig 2 (Small offset type) WF DCON g6 H WF DCON g6 H E3 20 E3 22 LS H L1 H Center height (On center) CDX L1 Center height (On center) CDX For E3 and CDX, see the insert column ■ Parts ■ Holders Dimensions (mm) Diameter Height Length Length Cutting edge Double ended Cat. No. Stock distance Fig Clamp Wrench M DCON H L1 LS WF screw S10F-CKB R-16 D 10.0 9 80 58 5 1 SUMIDIA S12F-CKB R-16 D 12.0 11 80 58 6 1 S16H-CKB R-16 D 16.0 15 100 78 8 1 S20K-CKB R-16 D 20.0 18 125 103 10 1 S19K-CKB R-16 D 19.05 17 125 103 8 1 CKBW16 WB4-8 LH020 SUMIDIA S1905H-CKB RS-16 D 19.05 17 100 Q 2 2 SUMIDIA Binderless S20H-CKB RS-16 D 20.0 18 100 Q 2 2 SUMICRYSTAL S22K-CKB RS-16 D 22.0 19 125 Q 2 2 S25K-CKB RS-16 D 25.0 23 125 Q 2 2 S254K-CKB RS-16 D 25.4 23 125 Q 2 2 ■ Recommended Cutting Conditions Note: The insert is not included in the holder. Work material Spindle speed Depth of cut ap Feed rate ƒ Coolant N Aluminum alloy 2,000 min-1 or more 0.1 mm or less 0.1 mm/rev or less Wet M28