
SUMIBORON Roll Turning Tool Holder BNRN Type ● Reground insert can be used. BNRN ● Same holder can be used for reground insert by adjusting slide locator. External Roll Turning ● Reliable holder design. ● The tip of the clamp is a carbide chipbreaker, which can withstand wear from chips. ● Slide locator uses HSS for durability. ■ Holders Dimensions (mm) Height Width Length Cutting edge Head Applicable Insert Cat. No. Stock H B LF WF LH New Insert Regrindable range CDX 60° BNRN 3232-08-07 32 32 200 16 13 RBG08-B 8.0 to 7.0 WF B BNRN 4038-10-09 40 38 250 19 17 RBG10-B 10.0 to 9.0 CDX 4038-12-11 40 38 250 19 20 RBG12-B 12.0 to 11.0 60° LF BNRN 5050-14-12 50 50 350 25 25 * 14.0 to 12.0 5050-16-14 50 50 350 25 25 RBG16-B 16.0 to 14.0 5050-18-16 50 50 350 25 30 * 18.0 to 16.0 H 5050-20-18 50 50 350 25 30 RBG20-B 20.0 to 18.0 5050-22-20 50 50 350 25 35 * 22.0 to 20.0 5050-24-22 50 50 350 25 35 * 24.0 to 22.0 5050-26-24 50 50 350 25 35 RBG26-B 26.0 to 24.0 * Blank space indicates holders for reground inserts. Inserts are not included. ■ Inserts Dimensions (mm) ■ Structure Stock I. C. Diameter Thickness 2 Thickness Slide Locator Cat. No. BN7000 BN700 BN500 IC D7 S3 S Clamp RBG 08-B D F 8.0 4.0 4.0 6.5 5° IC 10-B D F 10.0 5.0 5.0 9.0 Clamp 12-B D F 12.0 6.0 6.0 11.0 S3 16-B D F 16.0 8.0 8.0 13.0 S 20-B D F 20.0 10.0 10.0 15.0 Cassette D7 Holder 26-B D F 26.0 14.0 10.0 15.0 ■ Parts Slide Locators Clamps Cassettes Clamps Cap Screws Set Screws Double Screws Wrenches L Applicable Holder SUMIBORON BNRN 3232-08-07 BNRS R-08 BNRE-08 LH025 BNRC-08 BNRW-08 BX0425 BTD0609 WB5-18 BNRN 4038-10-09 BNRS R-10 BNRE-10 LH030 BNRN 4038-12-11 BNRS R-12 BNRE-12 BX0635 WB6-20 LH030 BNRC-12 BNRW-12 LH040 BNRN 5050-14-12 BNRS R-14 BNRE-14 WB6-30 LH050 BNRN 5050-16-14 BNRS R-16 BNRE-16 BNRC-16 BNRW-16 BTD0812 BNRN 5050-18-16 BNRS R-18 BNRE-18 BX0640 LH040 BNRN 5050-20-18 BNRS R-20 BNRE-20 LH050 BNRC-20 BNRW-20 WB8-30 BNRN 5050-22-20 BNRS R-22 BNRE-22 BNRN 5050-24-22 BNRS R-24 BNRE-24 LH040 BNRC-26 BNRW-26 BX0840 BTD0818 BNRN 5050-26-24 BNRS R-26 BNRE-26 LH060 L110