mm (M8 1.0×25) thread Can be used on the Baja MB165 Mini Bike Good to keep a few spares The 8 mm (M8-1.0×25) hex head bolt may just be a humble little piece of hardware but it serves a very valuable and important role in holding a mini bike together This size hex bold can easily substitute for the clutch flange bolt on the Baja Motorsports MB165 Mini Bike, as well as a whole slew of other applications. The 8 mm (M8-1.0×25) hex head bolt may just be a humble little piece of hardware but it serves a very valuable and important role in holding a mini bike together. This size hex bold can easily substitute for the clutch flange bolt on the Baja Motorsports MB165 Mini Bike, as well as a whole slew of other applications. Thread: M8 1.0×25 (8 mm)