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Certified ground support and anchoring systems.

Twelve engineered systems for tunnels, mines, foundations and marine structures.

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TS Combination Rock Bolt

Rock Bolts

TS Combination Rock Bolt

Immediate expansion-shell anchoring with permanent full-column grouting.

Immediate mechanical support
Permanent full-column reinforcement
Fast, straightforward installation
Reliable in weak and fractured rock
High load-bearing capacity
Enhanced corrosion protection
Reduced installation time and support cost

Key specifications

Diameter: M20–M33
Steel: B500NC
Available lengths: 2.4–12 m (up to 6 m in stock, other lengths on order)
Corrosion protection: Hot Dip Galvanizing NS-EN-ISO 1461, Epoxy Coating NS-EN 13438

TS-R Bolt

Rock Bolts

TS-R Bolt

Hollow-bar rock bolt with grout injection and coupler extension.

Immediate expansion-shell support
Grout injection through the hollow bar
Flexible extension using couplers
Easy transport of shorter sections
Fast and straightforward installation
Suitable for weak and fractured rock
Corrosion-protection options available

Key specifications

Sizes: M25-14 and M27-12
Steel: 40Cr or S460NH
Available lengths: 1–6 m
Corrosion protection: Hot Dip Galvanizing NS-EN-ISO 1461, Epoxy Coating NS-EN 13438

Rebar Bolt

Rock Bolts

Rebar Bolt

Solid ribbed bolt for resin end anchoring or full-column grouting.

Resin end anchoring or full grouting
Strong bolt–grout–rock bond
High tensile and shear capacity
Simple and reliable installation
Compatible with resin and cementitious grout
Cost-effective reinforcement
Multiple lengths and diameters
Corrosion-protection options available

Key specifications

Diameter: M16–M25
Steel: B500NC
Available lengths: 0.6–8 m
Thread: One end threaded, 150 mm

Rebar Bolt for PE Foam & Membranes

Rock Bolts

Rebar Bolt for PE Foam & Membranes

Purpose-built fixing for tunnel frost protection and waterproofing.

Oblique end improves resin mixing
Large thread bevel eases installation
Preinstalled nut 150 mm from end
300 mm cold-rolled thread
Suitable for resin or grouting
High-strength B500NC steel
Standard lengths from 0.6–4 m
Pc-Coat corrosion protection

Key specifications

Range: M16–M20
Steel: B500NC
Available lengths: 0.6–4 m
Threaded section: 300 mm

Foundation Bolt

Rock Bolts

Foundation Bolt

Solid unthreaded bar for full-length grouted pre-support.

Full-length grout for effective load transfer
Solid, robust reinforcement element
Bevelled end assists installation
Suitable for demanding ground
Lengths up to 12 m
Pc-Coat corrosion protection

Key specifications

Range: M25 / M33 / M40
Steel: B500NC or FE550D
Available lengths: 1–12 m
Design: Solid, unthreaded rebar with bevelled end

Self-Drilling Anchors (SDA)

Anchoring Systems

Self-Drilling Anchors (SDA)

Drill, grout and anchor in one continuous operation.

Drill, install and grout in one operation
No casing or pre-drilling required
Fast and cost-effective installation
Suitable for collapsing ground
Continuous grout improves bond
Easy extension with couplers
Reduced equipment and labour
Suitable for restricted access

Key specifications

Range: R25–R51 and T30–T103
Steel: 40Cr or S460NH
Section lengths: 3–4 m
Finishes: Black, hot-dip galvanized, or epoxy coated

FRP / GRP Bolts

Rock Bolts

FRP / GRP Bolts

Lightweight, non-corrosive and machine-cuttable ground support.

Excellent corrosion resistance
Lightweight and easy to handle
High tensile strength
Cuttable by excavation equipment
Electrically non-conductive
Non-magnetic
Fast installation
Lower transport and handling effort

Key specifications

Range: SDH-25 / 28 / 32 / 38 / 51
Material: Glass-fibre-reinforced polymer
Corrosion behaviour: Non-corrosive
Key property: Lightweight and machine-cuttable

DCP Anchor

Anchoring Systems

DCP Anchor

Permanent ground anchor with double corrosion protection.

Double corrosion protection
Designed for permanent installations
High load-bearing capacity
Reliable in aggressive ground
Factory-controlled protection
Long service life
Suitable for stressing and testing
Reduced maintenance requirements

Key specifications

Anchor diameter: 32 mm
Bar grade: 950/1050
Fixed length: Project-specific design
Free length: Project-specific design

Hollow-Bar Micropiles

Foundation Systems

Hollow-Bar Micropiles

Simultaneous drilling and grouting for restricted-access foundations.

High compression and tension capacity
Suitable for variable ground
Compact drilling equipment
Low noise and vibration
Minimal disturbance to structures
Flexible lengths using couplers
Fast simultaneous drill-and-grout process
Good performance in restricted access

Key specifications

Range: T30–T130
System: Hollow threaded bar with couplers
Installation: Simultaneous drilling and grouting
Corrosion protection: Hot Dip Galvanizing NS-EN-ISO 1461, Epoxy Coating NS-EN 13438

Post-Tensioning Bars

Foundation Systems

Post-Tensioning Bars

High-strength bars for controlled prestressing and structural connections.

High tensile and load capacity
Controlled, adjustable prestressing
Easy extension using couplers
Fast installation and tensioning
Temporary or permanent use
Reliable structural load transfer
Corrosion-protection options
Complete accessory range

Key specifications

Diameter range: 28–100 mm
Configurations: Fully threaded or smooth
Accessories: Couplers, nuts and plates
Corrosion protection: Project-specific systems available

Marine Tie Bars

Foundation Systems

Marine Tie Bars

Tension members for quay walls, sheet piles and waterfront structures.

High tensile and load capacity
Reliable marine stabilization
Adjustable and extendable
Suitable for long-span anchoring
Fast installation
Marine-grade corrosion protection
Complete nuts, plates and accessories
Permanent waterfront use

Key specifications

Range: M42–M162
Steel grades: 355/510, 500/660, 700/900
Configuration: Extendable with couplers
Corrosion protection: Marine-grade systems available

High-Strength Smooth Bar

Foundation Systems

High-Strength Smooth Bar

Smooth shank with rolled metric end threads for fine-adjustable prestressing.

High resistance to impact and shock loading
Fine adjustment with reduced draw-in loss
Rolled threads optimized for fatigue
Complete project-specific accessory range
Shear-key and hold-down bar systems available
Grades up to 1025/1210

Key specifications

Diameter range: 28–100 mm
Strength grades: 825/1035, 925/1075, 1025/1210
Thread profile: ISO metric thread (ISO 262, NF E 03-014 / 03-053)
Thread production: Cold-rolled between two dies