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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: PANDADRILL
  • Model Number: PA76,PA89,PA101,PA114,PA140,PA168
  • Type: Drill Bit
  • Machine Type: Drilling Equipment, Drilling Equipment
  • Certification: ISO9001
  • Material: High Manganese Steel
  • Processing Type: Forging, Forging
  • Use: Well Drilling
  • Application: Coal Mining,Quarry drilling,DTH drilling
  • Diameter: 76-1000mm
  • Color: Request
  • Transfer: Air/Sea/Express
  • Advantage: High Performance
  • Usage: Well Drilling
  • Product name: Concentric Casing System
  • Air pressure: high air pressure

Packaging & Delivery

Packaging Details Ply-wooden cases + pallet
1 piece/box
Delivery Time Shipped in 15 days after payment
Product Description
A driver bit and a ring are assembled to a complete concentric system bit which is suit for 114-1067mm diameter tube. 

Advantage: 

1. Enhance penetration and perpendicularity

2. Reduce torque requirements

3. Deal with straight, oblique hole and other angle holes

4. Lowest effect with environment

External dia.(mm): 125/155/188/215/238/276/293/345/375/432...1090

Casing dia.(OD*ID,mm): 114*102/139*127/168*153/194*181...1067*1041


Specifications:
Outer Dia Of  Casing Tube (mm)
Inner Dia Of  Casing Tube(mm)
Reamed Dia(mm)
Min Inner Dia  Of Casing Shoe(mm)
Drill Pipes(mm)
Max.Outer Dia of  Normal Bit(mm)
114
101-103
127
91
76
77
127
114-116
136
101
76
82
140
124-127
152
117
76
92
146
127-132
154
117
76
105
168
149-155
184
140
76
105
178
159-165
194
150
76.89
125
193
173-180
206
164
76.89
140
219
199-206
234
184
89.114
150
244
224-231
260
210
89.114
165
273
251-257
305
240
114
190
323
301-310
348
284
114.127
220
406
382-388
440
364
127
255
457
433-439
488
413
140
340
508
484-490
538
464
140
385
558
534-540
590
514
140
440
610
586-592
642
566
140
485
660
636-642
694
615
168
540
711
687-693
745
665
168
590
762
738-744
798
716
168
640
863
839-845
900
815
168
685
Detailed Images

Different Shanks(Same as Bits below):

                 DHD                        MISSION                           QL                                SD

Different Buttons Shapes:

              Dome / Round button
Used as gauge buttons of DTH bits, suitable for very abrasive and very hard rock formation.

  Parabolic / Semi-ballistic
Used as gauge buttons and front buttons of DTH Bits, suitable for medium abrasive and hard rock formations.

              Ballistic button
Used front buttons of DTH bits, suitable for medium abrasive and medium hard formations. Also be used as gauge buttons for soft rock.

Production Application:

Our Service

Professional R&D Team

First-Class Sales Team


Effective Production Team


Perfect After-Sales Service Team


Packing & Delivery

Ply-Wooden Boxes + Pallet

Protect your goods from door to door

By Air/Sea/Express

Fast and Safe Delivery Team

Related Products

DTH Hammer

99.8% Response Rate

DTH Pipes

97.9% Response Rate

DTH Hole Opener

96.8% Response Rate

Certifications


FAQ:


Q1: Can I have a sample for testing?

A:Samples are still to be paid but discounted price can be provided.

Q2: Do you have the inspection procedures?

A:100% strict inspection and testing for every order before packing.

Q3: How can i get the after sale services?

A:Free replacement will provide once the problems casued by our product quality.

Q4: Can I have a visit to your factory before the order?


A: Sure, welcome, here is our address: Yantai, Shandong.


CONTACT:

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Supplier's Trade Assurance Limit: US $29,000
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