T51- 115 14 button bits ,YK05 Threaded Bit Rock Drilling Tools-drop centre normal button bit

T51- 115 14 button bits ,YK05 Threaded Bit Rock Drilling Tools-drop centre normal button bit Description: Thread Button Bits: High quality and several thread with various carbide tips like YK05 are available. All products can be developed upon customers' request. Prodrill supply all kind of button bits with Rope thread R22, R25, R28, R32, R35, R38 and T thread, T38, T45, T51, ST58, ST68, T60 etc. for world famous brand drill rig. Diameter: 76mm, 89mm, 102mm Skirt body: retrac