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
YK YKcoal 28mm 38mm 42mm pdc auger bit/ anchor drill bit with 2 wings 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 ...