Self Drilling Anchor Bolt

R thread self drilling hollow bar anchor is composed by hollow anchor bolt, anchor nut, anchor plate, anchor coupler, drill bit, centralizer, and the hollow anchor bars can be cut and lengthened by coupling on request.

Functions:
R thread self drilling hollow bar anchor is an advanced system which can ensure the anchoring effect for complex ground conditions. It can be integrated with the functions of drilling, grouting and anchoring.

Conditions:
Tunneling
Mining
Slope Stabilization
Foundation Support

Features and advantages:
1. Safe, reliable, and time saving.
2. Simple installation & operation.
3. Choice of drill bits for different ground conditions.
4. Grouting works synchronize with drilling or after drilling. Grout can fill fractures effectively.
5. Anchor bars can be cut and lengthened on request, applying to narrow spaces.
6. It provides higher bonding stress than smooth steel pipe depending on continuous wave thread.

Competitive price new product self-drilling rock anchor bolt system anchor bolt price
Product descripion of self-drilling hollow core bar anchors:
(1)Type: R25N, R32N, R32S, R38N, R51L, R51N, T30/11, T40/16, T76N, T76S.
(2)Max. Tensile Load: 200-1900KN.
(3)Yield Load: 150-1500KN.
(4)Standard length: we can supply any length according to construction require.
(5)Application: Drilling ,Placement of steel reinforcing elements ,Grout placement

The SupAnchor Self-Drilling Anchor

is a unique anchoring system and is todayÂë

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 require the

time consuming drilling with casing systems in

unconsolidated or cohesive soil.

Features and Advantages

Fits SupAnchor standard Boomer, ROC and

Mustang rigs.

Particulary suitable for difficult ground conditions.

A high rate of installation since drilling, placing

and grouting can be performed in one single

operation.

Self drilling system eliminates the requirement

for a cased borehole.

Installation with simultaneous drilling and

grouting possible.

Easy installation in all directions, also upwards.

Suitable for working in limited space, height and

in areas of difficult access.

Simple post grouting system. Hot-dipped galvanizing for corrosion protection

Applications

Tunnelling Ground engineering

Radial bolting Slope stabilization

Forepoling Micro injection pile

Face stabilization Temporary support anchor

Portal preparation Soil nailing



SupAnchor Rock Reinforcement

Specifications

TECHNICAL DATA R 32N R 32S

Outside diameter.............................................. 32 mm

Internal diameter, average................................ 18.5 mm

External diameter, effective............................. 29.1 mm

Effective cross sectional area, average............ 396 mm

Ultimate load capacity...................................... 280 kN

Yield load capacity............................................ 230 kN

Average tensile strength, Rm........................... 720 N/mm

Average yield strength, Rp0,2.......................... 560 N/mm

GENERAL DATA

Type of steel............................................. EN 10083-1

Thread type............................................... R32. ISO 10208

Anchor bolt r32l
Outside diameter(mm) 32
Internal diameter (mm ) 22
Ultimate load (kn) 260
Yield load (kn) 220
Weight (kg/m) 2.8
Thread type iso10208
Type of steel en10083-1
Left or right length(m) 1-6m, we can supply any length according to construction require 1-6m
Options of anti-corrosion hot-dipped galvanization

Usually anchor bar in bundles accessories in carton/pallet also depend on the customer's requirement

Self-drilling anchor bolt combines drilling, grouting and anchoring together. It ensures the anchoring effect in complex ground conditions. It¡¡¥s safe, reliable and efficient.
Anchor bolt r32n
Outside diameter(mm) 32
Internal diameter (mm ) 18.5
Ultimate load (kn) 280
Yield load (kn) 230
Weight (kg/m) 2.9
Thread type iso10208
Type of steel en10083-1
Left or right length(m) 1-6m, we can supply any length according to construction require
Options of anti-corrosion hot-dipped galvanization

Usually anchor bar in bundles accessories in carton/pallet also depend on the customer's requirement

Features
1. Safe, reliable, and time saving.
2. Simple installation & operation.
3. Choice of drill bits for different ground conditions.
4. Grouting works synchronize with drilling or after drilling. Grout can fill fractures effectively.
5. Anchor bars can be cut and lengthened on request, applying to narrow spaces.
6. It provides higher bonding stress than smooth steel pipe depending on continuous wave thread.

Application
Tunneling
Mining
Slope stabilization
Foundation support






Carton

As an efficient anchoring method, self drilling rock bolt is used in complicated, loose and broken geological condition. It�¢??s widely applied to pre-support project, radial support project, slope stabilization, foundation support project, roadway support project, soil nail wall, back pull anchor rod retaining wall and other rock supporting work.

Functions:
Self drilling anchor system is an advanced system which can ensure the anchoring effect for complex ground conditions. It can be integrated with the functions of drilling, grouting and anchoring.

Conditions:
Self drilling anchor bolt system is mainly used for slope stabilization, foundation with micropiles and tunneling, it�¢??s also widely used in the railway system, metro project, etc. It can be installed in sites with weak rocks, loose soil, weathered layer, sand with stone layer and so difficult to create a hole in complex formation. The unconsolidated ground condition favor the self drilling anchor bolt technique for fast and simple method of installed compared to the traditional method.

Features and advantages:
1. It features a hollow bore for flushing, or simultaneous drilling and grouting.
2. Reliable, Efficient and Convenient.
3. Choice of drill bits for different ground conditions.
4. It can be elongated by using couplers.
5. Suitable for anchoring in broken geological condition and narrow space, which has achieved perfect effect.