API 7 7/8" JZ tci-tricone bit/ tricone rock bit/
1-certified by API&ISO
2-a large stock
3-tricone roller bit
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: within 7 workdays after conforming your order
IADC Codes make it easier for drillers to describe what kind of rock bit they are looking for to the supplier. Bit Brokers International follows the IADC bit classification system in which the first three digits classify the bit according to the formation it is designed to drill and the bearing/seal design used.
First Digit:
1, 2, and 3 designate STEEL TOOTH BITS with 1 for soft, 2 for medium and 3 for hard formations.
4, 5, 6, 7 and 8 designate TUNGSTEN CARBIDE INSERT BITS for varying formation hardness with 4 being the softest and 8 the hardest.
Second Digit:
1, 2, 3 and 4 are further breakdown of formation with 1 being the softest and 4 the hardest.
Third Digit:
This digit will classify the bit according to bearing/seal type - see information on different bearing types - and special guage wear protection as follows:
Fourth Digit:
The following letter codes are used in the fourth digit position to indicate additional features:
| Model | 114-117,127,437,517,617,637 |
| Type | Tricone bits,Steel tooth bits,PDC bits |
| Appliable | water well, oil field, construction, geothermal, directional boring, and underground foundation work |
| Formation | sticky,soft,medium hard,hard formation |
| Bearing | rubber seal or metal seal |
| Paking | wooden box,steel box,or as your requirements |
| Payment Term | T/T,L/C |
| MOQ | 1 Piece |
| Supply Ability | 5000 Pieces/month |
| Delievery Time | within 30 days |
Model No.: 40701
Features: SDS Shank Hummer Drill bits-double flute
Use to drill masonry
Model No.: CT1061
Features: 19pcs HSS Titanium Drill Set
1) Packed in Plastic Case with Double Blister
2) Item No:CT1061
Model No.: CT1063
Features: 10pcs Combination Drill Bits Set
1) Packed in Plastic Case with Double Blister
2) Item No:CT1063
Model No.: CT1062
Features: 29pcs Wood Drill&Bits Set
1) Packed in Plastic Case with Double Blister
2) Item No:CT1062
Model No.: RQC006
Features: SDS Max Shank Round Body Point Chisel
Material :40cr steel
Long using life
Good quality
Good price
Model No.: many
Features: diamond glass drill bit is widely used in glass drilling holes
high efficiency
no edge jump
Model No.: YT-071
Features: finger bit/drill
Diameter:20mm/22mm/24mm
High quality and competitive price.
Model No.: 30111
Features: 8pc masonry drills bit set
made of high carbon steel with industrial grade carbide tip for long life and efficient drilling.
Model No.: 30111
Features: 8pc masonry drills bits set
* made of high carbon steel with industrial grade carbide tip for long life and efficient drilling.
Model No.: 30111
Features: 5PCS Masonry drill bit set
made of high carbon steel with industrial grade carbide tip for long life and efficient drilling.
Model No.: FT-TD-895
Features: Twist Drill Bit
YJ-Tool001 Twist Drill Bit with Tin Coated and Rainbow Color Surface Finish, Suitable for Metal Cutting
Model No.: GD1306S
Features: 1.certified by API and ISO9001
2.high quality and reasonable price
3.best sevice for the products