Purchase Qty. Reference FOB Price
1-99 piece US$20.00
100-9,999 piece US$18.00
10,000+ piece US$5.00
Product Description
high quality coal mining drilling tool 32mm pdc anchor bolts bit Product Description 1.PDC drill bit is super hard material combined with diamond and hard alloy under high temperature. It has the advantages of hard and durable from diamond, and has the advantages of high impact resistance and big ...