Purchase Qty. Reference FOB Price
300-499 Pieces US$4.00
500-999 Pieces US$3.50
1,000+ Pieces US$3.30
Product Description
Hot Foundation Drilling bit DT87 1 Item No DT87 2 Material 42CrMo+YG6C (can be negotiable) 3 Alloy tip made from cobalt powder of thick particles through burning in the vacuum, and suitable grade selected. 4 Body alloy steel selected after heat treatment and high strength 5 Weight ...