step drill bit

1.used on woodworking machinery
2.it is made of HSS carbide
3.it is step drill bits
4.straight shank
5.wood cuttting drill

1.Low compressive strength
2.Medium hard and abrasive formation
3.Gauge protection

1.high quality and best service
2.pdc bit for water well drilling
3.superior in quality;reasonable price

1.high quality and best service
2.pdc bit for water well drilling
3.superior in quality;reasonable price

Type: Center Drill Bit
Material: High manganese
Use: Well Drilling
size: 24" 609.4mm
Pin shank size: 7 5/8reg

 
158mm to 200mm Hollow Stem Auger Drilling for water well drilling hole
 
Detail

DIN338, STAIGHT SHANK HSS Drill bits/set
Dia. size: 1.0~130mm
packing:

PDC core bit include:
PDC single tube core bit
PDC double tube core bit
PDC wire line core bit

Specifications:
1 Steel wire: 0.5 - 13.0mm
2) Cold drawn bar: 8.0 - 12.0mm
3) Coil: 8.0 - 14.0.0mm
4) Hot rolled round bar: 10 - 85mm...

Specifications
1.Metal/Rubber sealed bearing
2.certified by ISO9001&API
3.timely delivery
4.competitive price ...

JiNing Shengdu Pneumatic Breaker Tools Co., Ltd.is a modern corporation which develops, manufacture and sell the equipment .

thread drill bits of button bits
1.Button Type
2.Diameter: 35mm - 178mm
3.Thread: R22,R23,R25,R28,R32,R38,T38,T45,T51
5.Certificate:ISO9001

thread drill bits of button bits
1.Button Type
2.Diameter: 35mm - 178mm
3.Thread: R22,R23,R25,R28,R32,R38,T38,T45,T51
5.Certificate:ISO9001

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

Sintered diamond tools have always been known for its good performance in processing stone, especially those with high weariness.

rock Drill button bit
1.material:Steel Carbide
2.Production experience :40years
3.Diameter:38-127mm
4.Button bit shape:Spherical and Ball

1.Fast drilling speed, low air consumption ,improves your productivity and capability
2. Straightness and hole quality
3. High penetration rate

1. High temperature and wear resistance
2. IADC code suitable for different formation
3. Best price, high quality

Rock Drill Button Bits
1.Model:R22,R25,R32,R38,T38,T45,T51;
2.Tip Types:Round, Parabolic, Ballistic;
3.Application:Mining, Drilling, Construction

China Carbide Button Bit
1.Model:R22,R25,R32,R38,T38,T45,T51;
2.Tip Types:Round, Parabolic, Ballistic;
3.Application:Mining, Drilling, Construction

DTH hammer drill bit
1.Model Number:Suit for Atlas, Sandvik,etc.
2.Pressure:Low pressure:0.5-0.7Mpa;High Pressure:0.7-2.4Mpa.
3.Usage:drill

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size

1.Excellent drilling speed,drilling life
2.Low drilling resistance
3.Excellent power for ultra hard rock and controling the change of diameter size