tricone roller bit
second-hand roller bit
water well drill bit
cone palm piece recycling tricone roller bit
Drill pipe diameter standard
Alias used drill bit, water well drill bit, foundation pile drill bit
Weight 40KG (t)
Drilling angle 180 (°
Vertical shaft speed 240-35
Custom processing: Yes
Size 8 1/2, 9 1/2, 7 1/2
Drilling diameter 215.9 (mm)
Dimensions 215.9 (mm)
Drilling depth 2000 (m)
Purpose Water well, trenchless mining, mineral mining
Model 8 1/2
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