LHS Rock Tools

Latest developments

25

2021

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08

Light-duty drilling tools for rock drills

Light rock drilling machine refers to a manually operated rock drilling machine. The dead weight of this kind of rock drilling machine is less than 35kg. It uses manual hand-held or air leg support as the working platform. The rock drilling impact and propulsion force are relatively small. Commonly used drilling tool products include H 19mm, H22mm, H25mm hexagonal integral drilling rod, cone connecting drilling rod and 38~42mm sheet-shaped in-line drilling bit, cross drilling bit and four-tooth, five-tooth ball tooth drilling bit, etc.

Author: Hu Ming Dong Xinye

Light rock drilling machine refers to a manually operated rock drilling machine. The dead weight of this kind of rock drilling machine is less than 35kg. It uses manual hand-held or air leg support as the working platform. The rock drilling impact and propulsion force are relatively small. Commonly used drilling tool products include H 19mm, H22mm, H25mm hexagonal integral drilling rod, cone connecting drilling rod and 38~42mm sheet-shaped in-line drilling bit, cross drilling bit and four-tooth, five-tooth ball tooth drilling bit, etc. Light rock drill with drill is currently one of the largest use of rock drilling products.
 
In the domestic rock drilling engineering market, the largest use of light rock drilling machine drilling products are H22mm cone connection drill rod and flake type drill bit. The annual output of H22mm cone connecting drill rods in domestic drill tool manufacturers can reach nearly 100000 t (more than 16 million in terms of count), and 3300~35 million Φ φ38 ~ Φ φ42mm sheet-shaped drill bits. φ38 ~ φ43mm ball four-tooth, five-tooth cone connection bit is developed in recent years, a kind of H22mm cone rod matching light rock drill with drilling products, because of its service life is relatively stable, in the hard brittle rock drilling speed is fast, so the construction unit's unanimous praise, production increased year by year.
 
 

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Current Situation and Market Development of Rock Drilling Tools Industry

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Current Situation and Market Development of Rock Drilling Tools Industry

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