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118-216mm overburden drilling systems

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118-216mm overburden drilling systems

China 118-216mm overburden drilling systems supplier

Large Image :  118-216mm overburden drilling systems

Product Details:

Place of Origin: China
Brand Name: Prodrill
Certification: ce iso9001
Model Number: 133mm

Payment & Shipping Terms:

Minimum Order Quantity: 2 Pcs
Price: 500
Packaging Details: wood package
Delivery Time: 10-15t
Payment Terms: T/T
Supply Ability: 5000pcs/month
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Detailed Product Description
Out Diameter: 118-216mm Reamed Dia: 125-225mm
Drill Bit Dia: 83-165 Use: Grouting Holes

Application Range(Top hammer type driling inside the case)   It can be widely used in drilling for grouting holes in projects such as cofferdam,foundation and geolhermal well and etc.

1.firstly,connect the crown opener bit and the outer casing tube,the drill head of the rig impacts the advancing of the outer casing tube,until the completion of the first tube.

2.The inner opener bit is connected with the drill rod,the drill head alongside the bore of the outer tube,until the completion of the first tube.

3.Connect the drill rod and the tube,the drill head of the rig push forward the wxtemal casing tube altogether with the drill rod until the external casing tube is into the desired depth.

4.No need to add any casing tube in the base rock ,only apply with the drill rod to push down to the desired depth.

Double Casing Technical Date
Outer Dia.(mm) Reamed Dia.(mm) Inner Dia.(mm) Thread(mm) Drill rod(mm) Drill Bit Dia.(mm) Thread
118 125 88 104.5 76 83 R56
133 140 108 122 76 102 R56
146 152 120 134 89 116 R78
168 172 133 146.5 114 128 R83
216 225 178 203 114 165 R102


Contact Details
Xiamen Prodrill Equipment Co., Ltd

Contact Person: Mr. Simon Hu

Tel: 86-592-5187313

Fax: 86-592-5162951

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