r25n

... encountered durig project, the details are as follows: Size Description R25N R32L/N/S R38NR51L/N T76N/S X Forged cross ...

1.Steel rock bolts 2.Different size available 3. Using by high strength material Different surface treatments Self Drilling Hollow Rock Bolt Introduction: Common groutable anchor bar consists of hollow anchor bolt, anchor plate and anchor nut.It can be used in the supporting of all kinds of rock and soil, and suitable for the supporting of medium or long anchoring bolt, or the roof supporting of ...

1.steel hexangular nut & coupler 2.dia hex nut R25,38, 3.dia coupling R38 4.use with PSB series 5.could be customized steel hexangular nut & coupler:1.steel hexangular nut & coupler2.dia hex nut R25,38, 3.dia coupling R384.use with PSB series5.could be customized

1)Anchor bar: R25N, R32L, R32N, R38N, R51N, T76N 2)Anchor coupling: R25, R32, ... no other material can serve as the substitution.Anchor bar: R25N, R32L, R32N, R38N, R51N, T76NAnchor coupling: R25, R32, R32, R38 ...

Type: button bits, chisel bits, cross bits Model Number: X,XX,EX,EXX,EC,ECC,ESF,ESSF,ESD,ESSD,EY,EYY DingRun High Quality Drill Bits1)Business Type: Manufacture and sale2)Min. Order: 2000 pieces3)Type:X,XX,EX,EXX,EC,ECC,ESF,ESSF,ESD,ESSD,EY,EYY Self-drilling Anchor Drill BitSpecification:1)It's the most crucial part 2)It is responsible for the productivity of the installation. 3)The quality is ...

Self-drlling anchor bolts(R76S), - Particulary suitable difficult ground conditions - A high rate of installation sin The Self Drilling Anchor Bolts is a unique anchoring systems and is today's answer to the increasing demands of the tunnelling industry and ground engineering for safer and faster production. The system provides advantages for all areas of its applications, where boreholes would ...

Hollow Self-drilling Anchor Bolt : Applications :The product is mainly used for weak rocks, loose soil, weathered layer, sand with stone layer and so difficult to create a hole in complex formation. In forepoling of the tunnel and a variety of slope retaining in the supporting work well to reach the ideal support effect.For permanent anchor bolt(soil nails) applications, we provide two practical ...

Self-drilling Rock Bolt used as an efficient anchoring means, in tunnel pre-support, slope stabilization , coast, mine, Structure of self-drilling bolt I. Self-drilling hollow anchor bar Outer sidediameterAverageInternaldiameterEffectiveexternaldiameterAver.eff.CrosssectionalareaUltimateloadcapacityYieldloadcapacityAveragetensilestrengthRmAverageyieldstrengthRp0,2TheoricalweightThreadtype ...

1. Self-drilling anchor 2. Material: seamless steel pipe 40Cr /EN 10083-1 3. Common groutable 4. With high strength Self-drilling anchor is made of seamless steel pipe with thick wall. It consists of anchor rod, plate,nut, coupler,grouting stopper and drill bit. It is easy to cut through various rocks with a drill bit at the anchor head. With the continous international standard wave-shape thread ...