Focus On Heart, Lasting On Action
| Place of Origin: | China |
|---|---|
| Brand Name: | BJTUFF |
| Certification: | ISO9001 |
| Model Number: | 52*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, carton boxes 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: | Welding Type Roller Bits | Condition: | New |
|---|---|---|---|
| Surface: | Black & White | Certification: | ISO9001 |
| Material: | High Carbon Steel | Suitable Pressure: | 100-200 MPa |
| Application: | Foundation Pile | Color: | Red/Blue/Black/golden,Requirement |
| High Light: | 8 1/2Inch rock roller drill bit,ISO9001 rock roller drill bit,Rotary Digging Hole Welding Drill Bit |
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Rotary Digging Hole Welding Type Single Super 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.
| Basic Parameter | |
| Roller bit DIA. | 8 1/2 inch |
| Bearing Type | Rubber sealed journal bearing |
| Alloy DIA. | 14mm |
| Alloy Quantity | 52 pcs |
| Alloy Model | SY11 |
| Bearing oil storage self-pressure compensation system | Yes,and we have the letter patent . |
| The protection for the back of roller bit | Yes. |
| Bearing wear -resistant alloy | Yes. |
| Usage | rotary drilling rig |
| Application formation | Super hard with high compressive strength and harder abrasive stringer, such as hard shale, hard gypsolyte, soft limestone, sandstone and dolomite, etc. |
| Weight | 6kg |
| Industrial standard | SY/T5164 |
| MOQ | 1 pc |
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 roller bits,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. Can I expect the quality products?
Of course.All our activities are accredited ISO90001 and API,both in products and services.At the same time ,mature technology ensuring the quality satisfy international request.
5. About the leading time and shipping time?
The leading time depend on the quantity of order.
About the shipping ,usually shipped by sea.but we will arrange the delivery by air if small oder or urgent order after received your agreement.
According to the distance from leading time to destination port ,generally it's about 25 days to European ,and about 20days to west of America.
