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Swellex rock bolting system

We have offered Swellex as a stable, safe and reliable system of rock support for the past 30 years.

Efficient rock support solutions

Ongoing development of faster, safer and more exotic tunneling techniques places a constant pressure on manufacturers to provide more efficient rock support solutions which will help the shortening of cycle time.

Swellex rock bolting system

Swellex rock bolting system has gained recognition in the mining and tunneling industry. The installation process is simple and similar to rock bolt installation; making Swellex rock bolts accessible to all operators.

Extensive application range

The speed and quality of installation and the extensive application range have solved support problems and increased profitability for contractors and mine operators all over the world.

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Rock bolts

Since its introduction 30 years ago the Swellex expandable rock-bolting system has gained wide recognition in the mining and tunneling industry. This unique rock bolt consists of a welded tube folded in upon itself, sealed at one end. It is re-expanded using a high pressure water flow provided by a special pump and adapter. The bolt is expanded inside the borehole drilled into the excavation wall. The installation process is easy and very similar to other rock bolt installation processes; making Swellex rock bolts accessible to all operators. Rock bolting systems are used to stabilize excavated rock mass in underground mines and tunnelling. Rock bolts are systematically arranged to transfer the load from the unstable surface or exterior of the rock, to the much stronger interior part of the rock. The rock mass can be reinforced by different types of rock bolts. Epiroc offers the following Swellex expandable rock bolting systems:

Premium

High yielding load
Good energy absorbency
Good deformability
Competitive strength

High yielding load capacity

Designed as a daily support to provide safety and productivity for optimum control of the rock mass in mining and tunnelling. Made from specially engineered steel, these rock bolts offer high yielding and breaking load while perserving good elongation properties for safety. The connectable line of Swellex rock bolts, Pm24C, is a true alternative as long secondary support to secure potentially unstable areas or to control dilution while boosting productivity. The Swellex Premium line also comes in a plasticoated version for corrosion protection.

Manganese

High yielding load
Good energy absorbency
Very good deformability
Special engineered steel and heat treatment

The concept of the ideal rock bolt

Designed and developed to match the "perfect rock bolt" criteria, the Manganese rock bolt has set a new benchmark for safety and reliability. Made from steel having a richer manganese content, and submitted to a specifically engineered process, Swellex Mn rock bolts have a high tensile strength and improved elongation that provide excellent energy absorbancy in challenging mining environments.

Over 1.5 million bolts manufactured each year.

Maximum output guaranteed

We provide high quality spare parts and accessories to all our products. This is essential to guarantee maximum output and low lifecycle cost. All Epiroc Customer Centers and their network of distributors offer a complete range of spare parts and accessories. The staff is trained to support with advice and technical assistance to get the right part for every application. Only genuine parts can handle the stress that an Epiroc product causes on its components. And only original parts enable the owner to minimize downtime, to protect their investment and to contribute to productivity of your company.

Equally suitable for both manual and mechanized bolt installation.

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Bolt adapts to hole irregularities and grips along its entire length.

Printed material

Ground support catalogues and brochures

The world's most comprehensive and productive range of rock drilling tools.

Boltec LC operating in LKAB's Kiruna mine in Sweden

Rock reinforcement

Epiroc’s underground rock reinforcement equipment has you secured with machines ranging from low seam to the some of the largest mining and civil drive dimensions.