750mm Barrel Backreamer
750mm Barrel Backreamer
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BARREL BACKREAMERS
Barrel reamer is made of high quality alloy steel, quenched and tempered. One-piece core shaft, special wear-resistant alloy tooth cutting, faster drilling speed , water-resisting cavity be designed in internal of reamer, so that under the action of mud buoyancy in the hole, the weight is lighter, less torque, avoid making pear type hole.Different length straight tube sections are designed follow various strata is better for operating hole. (The reamer size150mm-1800mm diameter is bespoken as order)
Barrel Backreamers Parameter Sheet
Barrel Backreamers Size
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Thread /Shaft Size
NC23
D50
NC26
D80
NC31
NC38
NC46
NC50
5-1/2"FH
200mm
¢90
¢90
¢90
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