Focus On Heart, Lasting On Action
| Place of Origin: | China |
|---|---|
| Brand Name: | BJTUFF |
| Certification: | ISO9001 |
| Model Number: | 300-3000mm or as required |
| Minimum Order Quantity: | 1 Piece |
| Price: | Prices are determined by quantity and model of product |
| Packaging Details: | standard export packs -Wood case outside, plastic cases inside. |
| Delivery Time: | 3-5 days after payment |
| Payment Terms: | L/C, D/A, D/P, T/T |
| Supply Ability: | 300 Unit/Units per Month |
| Product Name: | Roller Bits | Type: | Single Cone |
|---|---|---|---|
| Condition: | New | Application: | Equipped With Core Barrel |
| Color: | Customer Required | Material: | Tungsten Carbide |
| Diameter: | 8 1/2' | ||
| High Light: | 215.9MM Single Cone Drill Bit,BJTUFF single cone drill bit,21.59CM single cone bit |
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Rotary Drilling Core Barrel Parts Single Cone Hard Rock Roller Drill Bits
Characteristics:
♥ Cutting Structure :
The durability of premium tungsten carbide insert is improved with new formulas and new techniques for insert bit;
♥ Gauge Structure:
Multiple gauge protection with gauge trimmers on the heel of cone,tungsten carbide inserts and hard-facing on the shirttail increases gauge holding capability and bearing life.
♥ Bearing Structure :
High precision bearing with two thrust faces. Ball lock the cone. Hard-faced head bearing surface. Cone bearing inlaid with friction-reducing alloy and then silver -plated. Abrasion resistance and seizure resistance of the bearing are improved.
♥ Seal and Lubrication :
Premium O-ring,Optimal seal compression and curved seal structure can enhance the seal performance.The pressure compensate system and advanced grease can greatly increase the lubricating reliability.
♥Product Application:
It can receive high WOB in the conventional drilling. It is suitable for various formations by matching cutting structure with different tooth shape,tooth density and tooth exposure height.
| Basic Parameter | |
| Bit Size | 8 1/2"(215.9MM) |
| IADC Code | 537G |
| Bear Type | Rubber sealed journal bearings |
| Make up Torque(KN.m) | 16.3~21.7 |
| Processing Type | Casting |
| Operating Parameter | |
| Rotary Speed(rpm) | 70~40 |
| Weight on Bit(Kg) | 1.2~1.5 |
| Formation | Hard with high abrasiveness such as hard limestone,dolomite,firm sands,etc |
Package:
Packaging details for BJTUFF open type bucket
1. 100% inspection before shipment.
2. Wrapped with carton.
3. Packed with wooden cases
4. As clients' requirements.
Company advantage:
1- We purchase top quality raw materials from leading raw-steel factory.
2- Our drilling tools can be customized depending on kinds of rigs and site conditions.
3- We require high quality of welding, therefore we employ at least 8 years experienced welders.
4- Understand what customers need and provide what customers want, We provide one-stop solution for the world’s foundation construction users.
FAQ:
1. Are you factory or not?
Yes, we manufactured drilling products for 7 years in Hebei,China. Warmly welcome to visit our factory and office.
2. What does your company make?
The main products of our company include drilling bucket, auger bucket,drilling teeth,pile breaker, kelly bar and casing pipe.
3. Do you offer discounts for your drilling product?
Yes. Depends on order quantity.
4. What is the quality of your drilling products?
First,we use good raw steel .Our welding stick is flux-cored wire that applied to ship engineering.
Second, We strictly control product quality on each step from material choosing to every workmanship. our kelly bars provide 1 year quality guarantee.
Third, Customers could contact our sales managers on line/by email/by phone if there are any question during installation or construction, solutions will be given within 12 hours.
