GBP 57 ​ Arbors, extensions and reducers for HW interface Reducer sleeve ⌀ 16 mm to 7 mm ​ Size 16-7 – Shank ⌀ 16 mm Application: For micro-boring heads. Size 16-7 – For indexable inserts and adapters in ⌀ 7 mm. In connection with boring heads No. 237513; 237546; 237568 and 237591. 23 7626 Type 16-7 23 7626 29W Reducer sleeve eShop Arbors HW ​ Form DIN ADB 69871 23 7653/7654 – With Balluff/RFID chip bore. Connection HW20 HW25 HW32 HW40 HW50 HW63 HW80 23 7651 SK 40 eShop eShop eShop eShop eShop eShop – 21F 21F Arbor 23 7652 SK 50 – – – – eShop eShop eShop L 23 7651 L mm 27 27 27 27 27 47 27 A Dimension A mm 46 46 46 46 46 66 46 Form DIN A 69893 Connection HW20 HW25 HW32 HW40 HW50 HW63 HW80 23 7653 HSK-A 63 eShop eShop eShop eShop eShop eShop – 21F 21F Arbor 23 7654 HSK-A 100 – – – – eShop eShop eShop L (23 7653) mm 16 16 22 29 39 54 – 23 7653 23 L (23 7654) Dimension A mm mm – 42 – 42 – 48 – 55 36 65 51 80 51 80 L A Form JIS ADB B6339 Connection HW20 HW25 HW32 HW40 HW50 HW63 HW80 23 7655 BT 40 eShop eShop eShop eShop eShop eShop – 21F 21F Arbor 23 7656 BT 50 – – – – eShop eShop eShop L mm 27 27 27 27 27 37 37 Dimension A (23 7655) mm 54 54 54 54 54 64 – 23 7655 Dimension A (23 7656) mm – – – – 65 75 75 L ​ A Extensions HW ​ Connection HW20 HW25 HW32 HW40 HW50 HW63 HW80 23 7666 23 7666 29W Extension short eShop eShop eShop eShop eShop eShop eShop L 23 7668 29W Extension long eShop eShop eShop eShop eShop eShop eShop L (23 7666) mm 25 30 40 50 50 75 100 L (23 7668) mm 35 45 60 80 70 135 180 Reducers HW ​ Connection HW20 HW25 HW32 HW40 HW50 23 7670 23 7670 29W Reducer HW50 eShop eShop eShop eShop – L 23 7672 29W Reducer HW63 eShop eShop eShop eShop eShop A L (23 7670) mm 28 28 28 28 – L (23 7672) mm 32 Dimension A (23 7670) mm 44 44 44 44 – Dimension A (23 7672) mm 50 192