rotary drill

Most of the parts of the gyrator are installed in the vertical shaft box. The small bevel gear is mounted on the inner gear shaft through the spline.

YUTONG Rotary drill rig,piling machine

Features:
1) Max. drill capacity: 26mm (1")
2) Voltage: 240/110V
3) Frequency; 50/60Hz
4) No load speed: 780r/min...

1.Competitive Price(larger order, lower price)
2.Perfect Quality Control System
3.Excellent Sevice
4.Large Business scale

9 7/8" 537 type tricone bits

Specifications
Oil casing drilling pipe
1.ISO9001:2008
2.DTH hammer drill
3.Easy operation ...

mainly used for blasting holes and other drilling works in quarries, railway construction,
water conservancy construction and defence project

YGZ90 type guide rotary drill in deep hole drilling machine in the compressed air powered

Hongda products has passed ISO9001, CCC, CE certificates.

YGZ90 type guide rotary drill in deep hole drilling machine in the compressed air powered.

1. used for cutting straight underground roadway.
2.With safe, efficient and lane with good quality

Mainly used for underground stope extension rod drilling on the deep hole in the fan type or ring type regarding the project.

We can produce the variety of drill tools, including single bottom of drilling bucket; Double bottom of drilling bucket; Rock core barrels drilling bu

1. used for cutting straight underground roadway.
2.With safe, efficient and lane with good quality

YGZ90 type guide rotary drill

Descriptions Details !
1.for water wells (200~1000m)
2.for geothermal wells(1000~3000m)
3.for oil wells (2000~3000m)

Specifications
1. used for cutting straight underground roadway.
2.With safe, efficient and lane with good quality
ZYJ Frame column type hydraulic

Specifications
1. used for cutting straight underground roadway.
2.With safe, efficient and lane with good quality
ZYJ Frame column type hydraulic

Rotary Drill,Construction Drilling Machine

Specifications
1. used for cutting straight underground roadway.
2.With safe, efficient and lane with good quality
ZYJ Frame column type hydraulic

1. used for cutting straight underground roadway.
2.With safe, efficient and lane with good quality

YGZ90 type guide rotary drill in deep hole drilling machine in the compressed air powered.

The Tungsten Carbide Tips For Coal Mining Tools And Rotary Drill Bits are made of 100% virgin raw material with submicron grain size.

Specifications
1. used for cutting straight underground roadway.
2.With safe, efficient and lane with good quality
ZYJ Frame column type hydraulic

Specifications
play any angle drillingaas hydraulic drill, small volume, light weight, easy installation and operation, large adjustable speed
ZY

Specifications
play any angle drillingaas hydraulic drill, small volume, light weight, easy installation and operation, large adjustable speed
ZY

1. High quality and competitive price
2. Different type of kelly bar combined and advantage together
3. Long time use
Kelly bar is the key part

Specifications
play any angle drillingaas hydraulic drill, small volume, light weight, easy installation and operation, large adjustable speed

1.Factory, specializing in manufacturing mining cutter bits for more than 6 years.
2.High performance

Double Cut Soil Bucket/Drilling Bucket 800mmdia-130*130mm Match Soilmec Bauer Rotary Drill Rig Piling