B22 pneumatic drill rod 55SiMnMoV material Compatible with YT28 rock drill bit hexagonal shape

Walk-behind support type underground planting pole hole borer: Hard soil layer photovoltaic column pit excavator for engineering

High-speed exploration sampling drilling rig, 600-meter multi-angle geological exploration, fully hydraulic core drilling rig

ZQS-65/2.5S Pneumatic Handheld Anchor Rod Drilling Rig Wind Coal Drill Explosion-Proof Dustproof Lightweight and Efficient Underground Coal Roadway

Shanneng Manufacturer supplies ZDY hydraulic drilling rigs and coal mine tunnel drilling machines, with stable performance

Unico QCZ-1-4.5 Handheld Pneumatic Impact Drill for Coal Mines, 36.6cm Lightweight Design for Efficient Drilling

Small horizontal drilling rig, lateral drilling tool for underwater water pipelines, Leili HX91A

Jiayue High-Efficiency Rock Well Drilling Machine, Crawler-Type Hydraulic Water Well Drilling Rig, Pneumatic Drilling Rig, No Water or Electricity Required

NQ-73 rope coring drill rod geological exploration mining drill rod has fast rotation speed and is easy to use

Zhongdelian Heavy excavation modification down-the-hole drilling rig, excavation-modified rock drill, mine drilling rig can be customized

Reaming bits come in various styles, with high strength, wear resistance, and longer service life

Column tooth medium-diameter threaded bits are carefully selected from raw materials for durability

Liaoning Lianhuashan Drilling Tools Machinery Equipment Sales Co., Ltd.

Hydraulic crawler tunnel coring drilling rig, underground water and gas exploration, drilling and sampling equipment for mines, direct shipment from the manufacturer

Hebei Keqinda Mining Equipment Co., Ltd.

Small diameter threaded bit bit for small diameter, Lotus Mountain, supports customization, stable supply

Liaoning Lianhuashan Drilling Tools Machinery Equipment Sales Co., Ltd.

RC-500 Mining Rock Powder Sampling Drilling Rig Impulse Gas Lift Reverse Circulation Drilling Rig Crawler Geological Exploration Equipment

Jining Lizhen Engineering Machinery Equipment Co., Ltd.

ZDY4500 fully hydraulic crawler tunnel drilling rig, coal mine construction equipment, 55 kW explosion-proof motor

Shijiazhuang Jiarun Coal Mining Machinery Co., Ltd.

ZDY3800LPS Crawler Coal Mine Fully Hydraulic Tunnel Drilling Rig, Roadway Gas Extraction and Water Exploration Drainage, 55 kW Motor

Shijiazhuang Jiarun Coal Mining Machinery Co., Ltd.

Column tooth small-diameter threaded bits, various specifications and models, sturdy and durable

Liaoning Lianhuashan Drilling Tools Machinery Equipment Sales Co., Ltd.

Hydraulic drilling, geological exploration drilling, specialized underground coal mines, all-angle exploration, ley line analysis, intelligent drilling rigs

Shijiazhuang Jinbide Equipment Manufacturing Co., Ltd.

Threaded Sheet Bit Wholesale Manufacturer, Large Stock Stock, Shipped Nationwide

Handheld rock drill Yo18 mine air leg pneumatic drill portable rock drilling lightweight drilling rig

Small-diameter threaded bit bits for small diameters, aging, corrosion, and wear, wholesale from manufacturers

Small diameter threaded bit bit for small diameter, Lotus Mountain, supports customization, stable supply

Column tooth medium-diameter threaded bits are carefully selected from raw materials for durability

Column tooth small-diameter threaded bit for cold rolled casting, used in mine tunnel engineering, manufacturer wholesale

ZDY1250 ZDY1600LPS ZDY2500LPS crawler-type fully hydraulic tunnel drilling rig for mining

Ruili hydraulic drilling rig has low ground settlement in the tunnel, low operator demand, and is supplied in bulk