China DTH Drilling Tools manufacturer
Changsha Sollroc Engineering Equipments Co., Ltd
FOCUS IN MANUFACTURING OF HIGH QUALITY DTH AND RC DRILLING TOOLS.
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305mm step drag bits

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Changsha Sollroc Engineering Equipments Co., Ltd

City: changsha

Province/State:hunan

Country/Region:china

Tel:86-731-85551632

Contact Person:
Ms.Ling Bo
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305mm step drag bits

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...Bit Rock Drill Bits for Rock Drilling​ Description: CIR130 CIR170 DTH Button Bits for Drilling Hole 1. High and low air pressure down-the-hole ... 2024-12-09 12:11:48
... Weight (less bit) 487kg (1071lbs) Hole range 305mm-445mm Working pressure 10-25bar Impact rate at 1.7 Mpa 16Hz Recommended rotation speed 15-25 r... 2024-12-09 12:11:40
...hole wide enough for the casing tube to slide down behind the drill bit assembly. 2. When the required depth is reached, rotation is reversed ... 2024-12-09 12:11:48
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