1.certification API and ISO9001
2.supplier to America and Middle East
3.lowest price and highest quality
Port: Tianjin Port
Minimum Order Quantity: 1 Piece/Pieces the more the cheaper
Supply Ability: 5000 Piece/Pieces per Month more
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: wooden box or iron box
Delivery Detail: with in 15 days
TCI bits
1,Soft formations(417,437,517,537)
Features large chisel-shaped inserts to provide the highest penetration rate in the softest formations such as shales, clays, limestone and sands.
2,Soft to medium formations(617,637)
Designed to drill effectively in formations such as hard limestone, dolomite, hard sands, and other formations with hard cherty.
3,Medium to hard formations(737)
For extremely hard formations such as chert, granite, flint, and taconite. Features short, closely-spaced inserts to ensure maximum penetration rate and wear resistance.