China rock drill anchor bolt manufacturer & supplier

R32N Self Drilling Grouted Anchor Bolt

R25N--T76S

Applied in Ground Foundation, mining and tunneling, slope stabilization, soil nail, etc.
Jennmar Self Drilling System.
DYWI / DSI system.

2015-11-02

ONTON R32L Self Drilling Rock Anchor Bolt-

R25N--T76S

1 Self drilling anchor bolt &self threading bolts
2 R /T thread
3 left/right hand thread
4 R25N --T76S
5 Customized

2015-06-12

High Quality Self Drilling Anchor Bolt

R25N--T76S

1 Self drilling anchor bolt & self threading bolts
2 R /T thread
3 left/right hand thread
4 R25N --T76S
5 Customized

2015-12-28

high quality ground steel injection anchor

R25N--T76S

1 Self drilling anchor bolt &self threading bolts
2 R /T thread
3 left/right hand thread
4 R25N --T76S
5 Customized

2015-06-12

Drilling Rock Bolt Extension Coupling Coupler

R25N - T76S

1 Elongate the Hollow anchor bar.
2 Customized to adjust all kinds of rock bolts.
3 Reducing losses and ensuring maximum percussive energy at bit

2015-10-15

ONTON accessories high quality steel and TC rock bit

R38L

1 Self drilling anchor bolt / drilling bit
2 R / T thread
3 left / right hand thread
4 R25N --T76S
5 Customized according t

2015-06-12

ONTON accessories Steel & TC R51N Drill Arch Bit ESS

R51N

1. Service life of the drill bits should be at least equal to the anchor bar.
2. Diameter depends on geotechnical conditions and design requirements.

2015-06-12

ONTON accessories high quality anchor Steel & TC tricone bits

R51L

Different bits for kinds of rock formations, including cross-cut drill bit, button drill bit, tungsten carbide cross-cut drill bit,etc.

2015-06-12

Rock bolt accessories high quality drilling bit

R25N

Drill bit is suitable for various conditions, such as tunnel pre-support, soil nailing, slope stabilization, building foundation.

2015-12-22

ONTON accessories high quality kinds of drilling drag bit rocks

R32S

1 Self drilling anchor bolt/drilling bit
2 R /T thread
3 left/right hand thread
4 R25N --T76S
5 Customized according t

2015-06-12

High quality kinds of steel drill bit rocks

R32L

Self drilling anchor rock drilling bit
1. Can be customized
2. ISO9001 & CE
3. All kinds
4. It has a high hardness and wear resistance.

2016-11-01

Drill accessories high quality and hard steel or TC casting or machining rock drill bits

R38N

1. Face stabilization
2. Radial systematic anchoring
3. Foundation for avalanche protect
4. Stabilization of tunnel portals
5. Root piling

2016-01-11

ONTON accessories high manganese steel mining drill bit

R32N

Self drilling anchor TC drilling bit
1. Can be customized
2. ISO9001 & CE
3. Can be casted or forged
4.Radial systematic anchoring

2015-06-12

High Precision Steel Thread Hexagonal Muttern Nuts

R25N - T76S

1 Self drilling anchor bolt
2 High Precision Steel
3 Super High Strength
4 R25N --T76S
5 Customized according to user needs

2015-10-16

hollow anchor bolt thread hexagonal nut

R38N

1 Self drilling anchor bolt
2 R /T thread
3 left/right hand thread
4 R25N --T76S
5 Customized according to user needs

2015-07-07

ONTON super quality Customize tunnel grouting rock anchor bolt

R25N --T76S

1 Self drilling anchor bolt
2 R /T thread
3 left/right hand thread
4 R25N --T76S
5 Customized according to user needs

2015-06-12