GBP 57 Digital precision boring system HW63 ⌀ 9.75 − 101.1 mm (152.1 mm) 23 7515 – With digital fine boring head No. 237516, digital display unit No. 237601, boring bars and accessories in the case. For boring bars with shank ⌀ 16 mm and insert toolholder. Can be extended with adapter and insert toolholder to ⌀ 152.1mm. Adjustment accuracy 0.01 mm / with vernier 0.002 mm on the ⌀. With digital display unit, 0.001 mm on the ⌀. Boring bars with suitable standard ISO insert type CC..0602. Insert toolholder with suitable standard ISO insert type CC..09T3. Spare part: 23 7515 – For No. 237630 – 237642: Insert screw No. 219830. For No. 237645; 237531; 237532: Insert screw No. 219805. 23 7515 Recommendation: 23 7515 – Best with inserts no. 237695 - 237698. Note: 23 7515 – Insert holder with adapter (No. 237531; 237532; 237534) for expansion to 152.1 mm on the ⌀: for individual products see precision boring set 237512. Connection HW63 Precision boring set 23 7515 29W eShop ⌀ 9.75 − 101.1 mm Supplied with: 237516 HW63 1 fine boring head No. 237630 boring bar ⌀ 9.75 − 20.1 mm (30 mm); No. 237634 boring bar ⌀ 19.75 − 30.1 mm (72 mm); 1 pc. each boring bar (max. boring length) No. 237640 boring bar ⌀ 29.75 − 48.1 mm (85 mm); No. 237642 boring bar ⌀ 47.75 − 88.1 mm (85 mm) No. 237645 for ⌀ 87.75 − 101.1 mm 1 insert holder (with adapter No. 237534 up to ⌀ 114.1 mm) No. 260052 CU7010 (or use CC..0602); 1 each of insert No. 260058 CU7010 (or use CC..09T3) Connection HW63 Fine boring head 23 7516 29W eShop ⌀ 9.75 − 152.1 mm ⌀ D1 mm 63 L1 mm 50.5 23 ​ Precision boring systems for ⌀ 9.75 − 164 mm (320 mm) 23 7541 – For ⌀ 9.75 – 164 mm, with fine boring head No. 237546, boring bar and accessories in a case. Can be extended with the bridge No. 237560 to ⌀ 320 mm. Adjustment accuracy 0.01 mm per graduation / with vernier 0.002 mm on the ⌀. Application: 23 7541 – For boring bars with shank ⌀ 16 mm and precision boring bridges. Boring bars / insert toolholder with suitable standard ISO insert type CC..0602. Spare part: 23 7541/7546 – Insert screw No. 219830. Recommendation: 23 7541 – Best with indexable inserts No. 237695 and No. 237696. 23 7541 Connection HW63 SK40 Precision boring set 23 7541 29W eShop eShop ⌀ 9.75 − 164 mm Supplied with: No. 237546 HW63 No. 237546 SK40 1 fine boring head No. 237630 ⌀ 9.75 − 15.1 mm (30 mm), No. 237632 ⌀ 14.75 - 20.1 mm (51 mm); 1 each boring bar (max. boring length) No. 237634 ⌀ 19.75 − 25.1 mm (72 mm), No. 237636 ⌀ 24.75 - 30.1 mm (82 mm); No. 237640 ⌀ 29.75 − 48.1 mm (85 mm), No. 237642 ⌀ 47.75 − 88.1 mm (85 mm). 1 bridge No. 237647 for ⌀ extension of 86 − 164 mm. 1 insert holder for the bridge No. 237564 06 1 insert No. 260052 size CU7010 (CCMT 060204) Connection HW63 SK40 Fine boring head 23 7546 29W eShop eShop ⌀ 9.75 − 320 mm ⌀ D1 mm 63 L1 mm – 81 A mm 60 91 Bridge for boring range 23 7560 29W eShop ⌀ 162 − 320 mm 23 7564 Type 06 09 23 7560 23 7564 29W Insert holder for bridges eShop eShop 189