China top hammer drilling tools manufacturer & supplier

foundation drilling bits
1.Material:Tungsten Carbide,ASTM4142 or 42CrMo
2.Certificate:ISO
3.Use for coal mining
4.heat treatment: 40-44HRC hardne

2015-05-30

coal mining bit
1.Material:Tungsten Carbide,ASTM4142 or 42CrMo
2.sleeve with holders for mining.
3.30mm shank diameter
4.ISO certificate

2015-05-30

Conical pick with holder
1.Material:Tungsten Carbide,ASTM4142 or 42CrMo
2.35mm diameter
3.Use for foundation creation,coal mining,etc.
4.ISO

2015-05-29

auger drilling bits
1.Material:Tungsten Carbide,ASTM4142 or 42CrMo
2.Certificate:ISO
3.Use for coal mining
4.heat treatment: 40-44HRC hardness

2015-05-29

PDC concave drill bit
1.good quality, low cost
2.MOQ 2 pieces
3.effective drilling speed
4.for coal mining drilling

2015-05-29

Mining PDC drill bit
1.good quality, low cost
2.MOQ 2 pieces
3.effective drilling speed
4.for coal mining drilling

2015-05-29

PDC non-core 3 wings water well drill bit
1.good quality, low cost
2.MOQ 2 pieces
3.effective drilling speed
4.for coal mining drilling

2015-05-29

Diamond non coring pdc bits
1.good quality, low cost
2.MOQ 2 pieces
3.effective drilling speed
4.for coal mining drilling

2015-05-29

PDC matrix drill bits
1.bit three wings pdc non core bit
2.bit size 98mm
3.bit price:$190/pcs
4.bits manufacture

2015-05-29

3 wings PDC non coring bits
1.Use for coal mine, mining, etc
2.pillars inside
3.outside 3 wings
4.Applicable rock formation: f≤12

2015-05-29

twin wings coal drill bit
1.leading manufacturer of PDC drill bit
2.15 years production;
3.Wear resistance pdc;
4.ISO certificate...

2015-05-29

PDC twin wings coal bit
1.leading OEM manufacturer of PDC bit
2.much more super than carbide bits
3.size from 25 to 45mm
4.best service

2015-05-29

PDC drill bolt coal mine bit
1.leading manufacturer of PDC drill bit
2.2 wings with half piece
3.26 mm
4.OEM

2015-05-29

PDC bolting drill bit
1.leading OEM manufacturer of PDC drill bit
2.2 wings with whole piece
3.diameter 32 mm
4.reinforced PDC

2015-05-29

PDC coal mining bolt drill bit
1. leading OEM manufacturer
2. M12-16, R22, hex thread
3.size from 25 to 45mm
4. best service

2015-05-29

PDC anchor shank coal bit
1. 25mm diameter
2.2 wing
3. ISO certificate
4. use for coal mining

2015-05-28