down the hole bits

1.Lower Oil, Air Consumption
2.Medium and High Air Pressure DTH Hammer Bits
3.Air Holes:2,3,4
4.Diameter:254,305,311,318,330
5.Deep Hole Drilling

Step Drag Bits also named blade bits, with a Tungsten Carbide inserts on the blades.They are usually designed for use in soft formations

1. IADC code suitable for different formations.
2. Good quality, reasonable price.
3. ISO9001:2008, API certified.
4. Timely delivery.

1.Lower Oil, Air Consumption
2.Medium And High Air Pressure DTH Hammer Bits
3.Air Holes:2,3,4
4.Diameter:254,305,311,318,330
5.Deep Hole Drilling

1. In-house heat treatment ensures optimum surface hardness and case depth
2. R780 Steel -high standard
3. 6 months warranty

Drills-king concave bits pdc drill bits is mainly used for water well, geothermal well, geological exploration borehole, gas drainage hole

high quality 12" Reamer bit
1,tungsten carbide insert tricone bit
2.certified by ISO,API
3.wide size code
4.best price

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Tricone TCI or steel tooth hole openers
1.Hole reamer bit
2.Fully heat-treated alloy steel.
3.With cutters for Soft,Medium Hard format

1.Structure:Deep Hole Drilling
2.Tapered connection:6°7°11°12°
3.Outside Diameter Mm:76-178
4.Thread connection:R22.R25.R28.R32.R38.T45.T51.

1.Diameter:85mm-555mm
2.DTH Hammer: 3"-12"
3.Splines:4-10
4.Package :in carton
5.Supply ability:2000pcs/month....

API New TCI Cones/Tricone Cutter/Reamer Bit
1. Steel tooth & TCI available
2. 6"-42" in diameter
3. Strict Quality Control

Thread Tungsten Carbide Drill Button Bit
1.Thread:R22,R25,R28,R32,R38
2.Face:Flat, drop center
3.Long service Life
4. High Abrasive Resistance

Mining DTH Bore Hole Bit
1. Material:Carbide Tip
2.Working Pressure: 0.5~0.7Mpa ( Low Pressure)
3.Drill Dia Range: 65mm ~253m
4.ISO Certification

1. Suitable for small hole range.
2 .Widely used in Dimensional Stone Quarrying Industry.
3. Widely used in Underground Mining Industry.