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WING-type II Symmetric Overburden Drilling System

SOLLROC symmetric system are made of high quality alloy steel and carbide with strict heat treatment. It is widely used and proven in many work sites for foundation, piling, water well drilling, etc. We have full range of sizes and various types for drilling in all ground conditions.
  • WING 168-WING 406

  • SOLLROC

  • WING 168-WING 406

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Product Description

SOLLROC Wing type overburden casing system is for sumiltaneously drilling and casing outer diameter 6 5/8" inch (168.3mm) to 16 inch (406mm).


Features:

The wing extend out further than casing pipe diameter to achieve reaming diameter as large as possible.

Rapid penetration and minimum drilling time

Wear-resistance and longevity.



Wing 2




Casing tube OD Number of Wing
Extend diameter
Casing shoe inner Dia. fit shank of hammer
Inch mm inch mm inch mm
6.626 168.3 2 7.283 185 5.591 142 DHD350/M50/SD5/QL50
7 177.8 2 7.677 195 5.827 148 DHD350/M50/SD5/QL50
7.626 193.7 2 8.228 209 6.575 167 DHD360/M60/SD6/QL60
8.626 219.1 2 9.331 237 7.559 192 DHD360/M60/SD6/QL60
9.646 245 2 10.394 264 8.268 210 DHD380/M80/SD8/QL80
10.748 273 2 12.126 308 9.526 242 DHD380/M80/SD8/QL80
12.752 323.9 3 14.094 358 11.102 282 SD10/NUMA100
15.984 406 3 16.772 426 14.173 360 SD12/NUMA120/NUMA125






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No.55 Jiucaiyuan, Wenyi road, Furong District, 410001, Changsha, Hunan, China

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