China hard metal manufacturer & supplier

Best sale 60mm to 133mm diamond drill bit

diamond bit

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

2015-09-01

Diamond oil drilling bit

Diamond drilling bit

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

2015-09-01

Large diameter brazed diamond drilling bits for stones

diamond bits

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

2015-09-01

Impregnated diamond drilling bits

diamond bits

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

2015-09-01

2015 high performance diamond drill bit for hard rock

diamond bit

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

2015-09-01

Premium diamond drill bits for reinforced concrete

diamond bits

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

2015-09-01

Excellent economical to use Diamond Drilling Bit

Diamond Bit

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

2015-09-01

Excellent change of diameter size Diamond Drilling Bit

Diamond Bit

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

2015-09-01

Excellent drilling resistance Diamond Drilling Bit

Diamond Bit

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

2015-09-01

Excellent hole deviation control Diamond Drilling Bit

Diamond Bit

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

2015-09-01

Excellent power for ultra hard rock Diamond Drilling Bit

Diamond Bit

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

2015-09-01

Excellent drilling life Diamond Drilling Bit

Diamond Bit

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

2015-09-01

Excellent drilling speed Diamond Drilling Bit

Diamond Bit

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

2015-09-01

PQ3 Diamond Drill Bit

Diamond Bit

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

2015-09-01

HQ3 Diamond Drill Bit

Diamond Bit

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

2015-09-01

HQ Diamond Drill Bit

Diamond Bit

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

2015-09-01