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 28mm 32mm diameter r screw type pdc anchor drill 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 ...