Purchase Qty. Reference FOB Price
1,000-1,999 Pieces US$2.90
2,000+ Pieces US$2.80
Product Description
Hot Foundation Drilling bit FBR3 1 Item No FBR3 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 ...