AD Bars Interchangeable Head Boring Bars with Anti-vibration Dampener System Boring Adapter (with Coolant Hole / Anti-vibration Dampener System) Coolant Hole (2 holes) Special dampener system made from heavy metal Locating Pin Hole G L3 (MIN.) φD1 B L2 L1 H Dimensions Spare Parts Dimension (mm) Clamp Bolt Wrench (sold separately) Description Std. F φD1 H B L1 L2 L3 G (MIN.) AD32U ● 32 31 29 310 200 200 HH5X20 HH5X30 LW-4 AD40V ● 40 39 37 360 248 228 Rp3/8 (3 pcs) (1 pcs) Boring AD50W ● 50 47 47 410 280 276 HH6X20 HH6X30 LW-5 (3 pcs) (1 pcs) Note) L3 (MIN.) dimension indicates the minimum length in case of the back end of boring adapter is cut for use. Do not shorten it to less than L3 (MIN.). Solid Combination of Boring Adapter and Interchangeable Head Positive Boring Adapter Interchangeable Head Description Base Description Clamp Bolt Wrench AD Bars HA32 PCLN& 12-40 Negative PDUN&15-43 HH5X20 HH5X30 PTFN& 16-40 AD32U SCLC& 09-40 HH5×20 LW-4 SDUC&11-40 HA40 PCLN& 12-50 PDUN&15-50 AD40V HH5X20 HH5X30 PTFN& 16-50 HA50 PCLN& 12-63 PDUN&15-63 AD50W HH6X20 HH6X30 LW-5 PTFN& 16-63 How to exchange heads 1. No head attached 2. Align hole positions 3. Tighten 3 bolts to attach the head For lever lock type Interchangeable head, use 2 short bolts for upper side and 1 long bolt for lower side. HA32 SCLC&09-40 and HA32 SDUC&11-40 use HH5 X 20 for all 3 bolts. ●: Std. Item F66