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Quick Details

  • Place of Origin: Hunan, China (Mainland)
  • Brand Name: Zhongwei
  • Model Number: ZWSS-Y
  • Diameter: 600mm, 800mm, 1000mm, 1200mm, 1500mm, 1600mm, 2000mm, 2500mm, 3000mm
  • Kelly box: 120x120mm, 150x150mm, 200x200mm, 250x250mm, 1 hole / 2 holes / 3 holes
  • Teeth/Bits: Bullet teeth/rock bits, sand bits, roller bits, hobs, pilot bits
  • Material: 16Mn for pilling bit; 16Mn/35CrMo for kelly bar; Q235 for tremie pipe
  • Applied technique: Welding as usual, casting/forging according to customer's requirement
  • Error range: 3-5mm, mini error range, small error range, small random error
  • Applied equipment: For rotary pilling rig/equipment/machine, for construction site/field
  • Applied formation: Silt and clay, pure clay, sand, gravel; rock and reinforced concrete
  • Certification: CE, ISO, CNAS, GS, CQC, IAF
  • Manufacuturer: Made in China, Chinese supplier/factory/manufacturer

Packaging & Delivery

Packaging Details 1. Wrapped with plastic film.
2. Fixed with iron support or pallet when necessary.
(3. Packed with wooden cases for small things.)
No package for tremie pipe.

Hot Saled Double Cutting Rock Drilling







Drilling Bucket

1. Parameter

Product NameDouble Bottom Double Cutting Rock Drilling Bucket
Kelly BoxBauer Type 200mm*200mm as usual
Locking SystemAuto-locking system
ModelDiameter (mm)Shell Length (mm)Shell Thickness (mm)Base Plate Thickness (mm)Teeth (Pcs)Weight (kg)
ZWSS-Y 6006001200 1640+508720
ZWSS-Y 7007001200 16 


ZWSS-Y 800800 1200 16 40+50 10 980
ZWSS-Y 900900 12001640+5010 1020
ZWSS-Y 10001000120016 40+50 12 1150
ZWSS-Y 1100110012001640+50121260
ZWSS-Y 120012001200 16 40+50 14 1440
ZWSS-Y 14001400120016 40+50 17 1830
ZWSS-Y 150015001200 16 40+50 19 1960
ZWSS-Y 160016001200 16 40+50 19 2210
ZWSS-Y 180018001000 2040+50 21 2650
ZWSS-Y 20002000800 2050+50 23 3190
ZWSS-Y 2200220080020 50+50 25 3630
ZWSS-Y 2500250080020 50+50 294560


1. Diameter: 500~3000mm

2. Shell length: 800~2000mm

3. Shell thickness: 16~25mm

4. Kelly box: Bauer type(200*200mm, etc.), Sany type(200*200mm, 150*150mm, etc.), Soilmec type(75*75mm, 100*100mm, 130*130mm, etc.), etc.


Product NameDouble Bottom Double Cutting Sand Drilling Bucket
Kelly BoxBauer Type 200mm*200mm as usual
Locking SystemAuto-locking system
ModelDiameter (mm)Shell Length (mm)Shell Thickness (mm)Base Plate Thickness (mm)Teeth (Pcs)Weight (kg)
ZWSS-T 6006001200 1640+504640
ZWSS-T 7007001200 16 


ZWSS-T 800800 1200 16 40+50 4890
ZWSS-T 900900 12001640+501020
ZWSS-T 10001000120016 40+50 51125
ZWSS-T 1100110012001640+5071295
ZWSS-T 120012001200 16 40+50 71385
ZWSS-T 14001400120016 40+50 81580
ZWSS-T 150015001000 16 40+50 91840
ZWSS-T 160016001000 16 40+50 92450
ZWSS-T 180018001000 2040+50 12 2600
ZWSS-T 20002000800 2050+50 153150
ZWSS-T 2200220080020 50+50 173580
ZWSS-T 2500250080020 50+50 194450


1. Diameter: 500~3000mm

2. Shell length: 800~2000mm

3. Shell thickness: 16~25mm

4. Kelly box: Bauer type(200*200mm, etc.), Sany type(200*200mm, 150*150mm, etc.), Soilmec type(75*75mm, 100*100mm, 130*130mm, etc.), etc.


2. Brief introduction

Drilling buckets are mainly used for drilling water-bearing sandy soil, sludge, clay, muddy sub clay, sandy gravel, cobble, and weathered soft formation. The bucket can be designed into cylindrical type and conical type according to bucket diameter, type of drilling rig and soil conditions. The opening and closing device can be operated manually, mechanically or mixed manner. The welding angle of bucket teeth can be designed according to formation conditions. 
The bottom cover is made of high-strength Mn plate, and the cutting edge includes single-layer type and double-layer type; The soil inlet also includes single-bottom type and double-bottom type. 

3. Main Applications: 
These drillling buckets are suitable for drilling in clay, silt and loose to medium dense sand and gravel. 

1- Single cut drilling buckets are recommended up to coarse gravel. 
2- Double cut drilling buckets are mainly used for bigger diameter uncased boreholes. 
3- Single bottom drilling buckets are used for clay layer and sticky formation. 
* Other types can be manufactured as per customers' demand.

4. Structure

1. Kelly box

2. Top plate

3. Shell

4. Inner inclined plate

5. Outer inclined plate

6. Hinge

7. Locking system

8. Inner base plate

9. Outer base plate

10. Pilot

11. Round shank chisel for rock bucket or flat teeth for sand bucket


Packaging & Shipping

A. Packaging

1. Wrapped with plastic film

2. Fixed with iron support or wooden case or Iron case

B. Freight

1. Ocean shipping as usual

2. Air freight or land freight as customers' special demand

3. Land freight to inland countries.

C. Port

1. Changsha Port for FCL as usual

2. Tianjin or Shanghai or Shenzhen Port for LCL or bulk cargo as usual

3. Any port in China as customers' special demand



Company Information

A. Company

Established in 2008,  Xiangtan Zhongwei Heavy Industry Co., Ltd. is an advanced technological company that specializes in the R&D, manufacture and sales of various drilling tools, attachments and spare parts.

1. 102 employees (5 engineers)

2. Technical adviser: Dr. Liu Jinggang from Xiangtan University 

    Professor Tang Huanqing from Hunan Institute of Engineering  

3. Supported by State Innovation Found 

4. A member of Hunan Drilling Machinery Club




B. Products

1. single/double bottom sand drilling bucket with bullet teeth or flat teeth

2. bullet teeth or roller bit core barrel

3. belling bucket/clam drilling bucket/clean out bucket

4. conical or cylindrical auger/CFA auger

5. round shank chisel/flat teeth/roller bit 

6. interlocking or frictional kelly bar

7. single/double wall casing pipe

8. tremie pipe

9. steel wire rope

10. pile breaker




C. Customers

With a group of engineers and skilled workers with years of experience in engineering and construction design, our products are widely recognized and trusted by users. In the domestic market, we are the main supplier for Sany, XCMG, Zoomlion, Yutong, Sunward and Foton. In addition, our products are widely exported to the USA, Nea Zealand, Australia, Brazil, Souteast Asia, Middle East, Brazil, Russia and Afica, etc.




Our Services

 A. Procedure

--- OEM or customized products

--- Track the production

--- Arrange for inspection if needed

--- Take photos before delivery

--- Arrange for customs clearance

--- Track the shipment

--- Send related files to customers

--- Track quality problems if any

--- Collect suggestions from customers

B. Certificate

Certificate of origin, CO

GSP certificate of origin, FORM A

China - ASEAN Free Trade Area Preferential Certificates of Origin, FORM E

Asia-Pacific Trade Agreement Certificate of Origin, FORM B

China and Pakistan FTA Certificate of Origin, FTA
China - Chile FTA Certificate of Origin, FORM F
China New Zealand Free Trade Area of origin, FORM N
China - Costa Rica Free Trade Agreement Certificate of Origin, FORM L
China - Peru FTA preferential certificate of origin, FORM R
China - Singapore FTA Certificate of Origin, FORM X
Taiwan certificate of origin certificate, ECFA

C. Trade Assurance Service by Alibaba 

It can effectively protect your rights: Quality and delivery time of goods, your financial security.

For more infomation, please visit:




Contact us

Welcome your call or email ~~~


For more information, please visit:  http://www.zwdrillingtools.com


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China (Mainland) | Manufacturer, Trading Company
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Supplier's Trade Assurance Limit: US $38,000
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