Focus On Heart, Lasting On Action
| Place of Origin: | China |
|---|---|
| Brand Name: | BJTUFF |
| Certification: | ISO9001 |
| Model Number: | 42*14X-8 1/2' |
| 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 Cone Drill Bits | Condition: | New |
|---|---|---|---|
| Application: | Equipped With Core Barrel | Color: | Customer Required |
| Material: | Tungsten Carbide | Diameter: | 8 1/2' |
| Surface: | Black & White | Certification: | ISO9001 |
| Keyword: | Diamond Core Drill Bit/core Bit/diamond Bit For Drilling | ||
| High Light: | 40rpm Drill Roller Cone Bits,70rpm Drill Roller Cone Bits,ISO9001 Tungsten carbide cone bit |
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Construction Machine Hard Rock Replacement Drill Roller Cone Bits Core Barrel
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.
| Basic Parameter | |
|
Roller bit DIA. |
135mm |
|
Bearing Type |
Slipper seal |
|
Alloy DIA. |
13mm |
| 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.
