Purchase Qty. Reference FOB Price
1-4 Pieces US$77.76
5+ Pieces US$69.00
Product Description
Thread Drill Threaded Button Bit with Drilling Pipe for Engineering Geology Rig Product Description Kingdrilling rock drilling button bits are widely used in all kinds of mining, drilling, quarrying, engineering, construction, water well drilling, oil exploring drifting and tunneling drilling. We ...