1-API kingdream stepped drag bit
2-certified by API &ISO
3-high quality & best service
4-a large stock
Port: Tianjin seaport/China
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 800 Piece/Pieces per Month as your order
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: plywood cases
Delivery Detail: 7 workdays after conforming your order
Drag bit are manufactured from forged high quality alloy steel and premium tungsten carbide insert, plus state of art welding technology and multiple precision heat treatment to provide highest penetration rate and longest lifespan at roughest condition.
Drag bits are designed for medium to hard formation and are used in areas that contain a lot of rock and also in the oil field.
longer life and fast cutting,many size.
mainly used for wireline,geological exploration,hard rock,engineering.
Wide range of useage
High quality and best price
Long life and full model
Be certified by ISO9001
Made-to-order.
The diamond bits are the most commonly useful bits in the mineral exploration industry, as they have the widest rang
we can manufacture all kinds of bits and shells according to the custumers'special requirement.
any requirement pls contact us, we will do the best service for you.hope we can establish a good business relationship.
Size | Bit Type | |
| In. | mm | |
| 28 | 711.2 | 117,127,517,,537,617,637 |
| 32 | 812.8 | 117,127,517,,537,617,637 |
| 38 | 914.4 | 117,127,517,,537,617,637 |
Model No.: 0383
Features: suitable for marble,Concrete Asphalt,stone,granite.faster and smooth cutting;low electricity;longer life;low price;size:1''-4''
Model No.: GSFB
Features: diamond Flexible backer:
Application: For shaping and polishing of Granite&Marble
Model No.: GSDB-1
Features: Diamond tool Resin Belt
Application:Polishing &Shining exterinal or internal edge of stone inside bowl
Model No.: GW32
Features: diamond cup grinding wheel, cup wheel
Great for coating removal
Long-lasting grinding segments
Fast grinding cup wheel
Model No.:
Features: 1.European quality
2.Chinese price
3.Circular Saw Blade,diamond blade,
saw blade,diamond disc
Model No.: reaming shells
Features: reaming shell
1.32 years history
2.long-life service
3. Certificate ISO9001:2008
4.Drill soft to hard rock
Model No.: SSHS
Features: Specifications:
1) Step angle: 90<sup>o</sup>
2) Point angle: 100<sup>o</sup>
3) For use with st
Model No.: carbide mining tip
Features: We offer all kinds of cemented carbide products with superior quality and competitive price for different markets.
Model No.: carbide
Features: We offer all kinds of cemented carbide products with superior quality and competitive price for different markets.
Model No.: carbide tip
Features: Dongya tungsten carbide cutting structures are designed to be durable, while maintaining the highest efficiency in destruction
Model No.: tungsten drill
Features: We offer all kinds of cemented carbide products with high quality and competitive prices for different markets
Model No.: carbide
Features: Can supply different kinds and shapes
Available in different grades such as k10, k20, k30, P20 and P30
Except ISO standards,