Bolts

Supported Products

Product NameDescriptionDownload
Continuous Thread Rock Bolt

Minova's Continuous Thread Bolts have been designed to take the worry out of complex bolting in both civil and mining applications. This versatile bolt can be used for roof/rib support, tunneling and slope stabilization support projects.

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Double Lok Rock Bolts

Minova’s Double Lok Bolt is state-of-the-art for both anchorage and speed. It boasts a double benefit and provides more control at a lower cost.

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Drill Steels

Minova Drill Steels are produced from the finest quality Sheffield steel, designed to withstand the severe fatigue stresses developed by today’s high powered drilling machines. Typical applications include mining, quarrying, tunnelling and civil engineering.
Manufactured to strict tolerances and a high standard of finish, the steels can be used in the ‘as rolled’ condition or carburised for extension and taper equipment. A wide range of drill rods are available in hexagon diamond and turbine sections to suit hard, soft and abrasive drilling conditions.

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Eclipse Bolt

Minova has developed this high-performance, cost effective bolting system to enhance resin mixing and minimize the adverse effects of “glove fingering.”

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Friction Rock Bolt

Friction rock anchors are made from high tensile steel roll formed into open slotted tubes.

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GRP Rock Bolts

Compared with aluminium or steel, glass fibre reinforced plastics (GRP) have advantages that can be traced to the properties of the composite material: High resistance to corrosion and higher specific strength.

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Mechanical Cable Anchors

Natural movement in rock strata can threaten a safe work environment. Minova’s Cable Bolts are designed to perform despite lateral strata movement. Cable Bolts incorporate much higher strength than traditional bolts with incomparable flexibility to adjust to the movement of the earth’s strata.

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Mechanical Roof Bolt

The Mechanical Bolt provides support by the suspension method. The mine roof is effectively suspended by anchoring the different layers of strata together

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Rebar Rock Bolt

Minova’s Reinforcing Steel Bar (Rebar) is manufactured to critical tolerances and standards to meet the day-to-day needs of our mining customers.

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Rock Bolt Assemblies For Resin Capsule Anchoring

Rock bolt assemblies for resin capsule anchoring, comprise the stud, nut, bearing plate washer and a selection of accessories and modifications which can be configured to suit particular installation and rock support requirements. Rock bolt assemblies are packaged as complete, ready-to-install units.

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SDA - Self Drilling Anchors

MAI SDA self-drilling anchors provide a unique bolting solution for unstable ground conditions such as sand, gravel, silt, clay and in soft to medium fractured rock formations. For projects facing such ground conditions, MAI SDA selfdrilling anchors should be considered as the most productive reinforcement solution.

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SDS Square Head Cable Rock Bolt

Minova's patented SDS Square Head Cable Bolts are designed to provide the same versatility as traditional cable bolts while providing a higher degree of anchorage capacity.

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Secura Rock Bolt

For resin grouted bolts installed in large annulus holes where Secura™ options are recommended.

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Spin Anchors

Minova’s resin rock bolt spinner is used with the Autorock drill rig to provide high rotation speed and torque, for improved mixing of resin and tensioning of the rock bolt. It is a recommended accessory whenever the bolt or cable anchor length exceeds 1.5 metres.

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Steel Rock Bolt Plates

Bearing plates vary in deformation loads as required.

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Swellex Bolts

Since its introduction 25 years ago, the Swellex™ rock bolting system has gained wide recognition in mining and tunneling works. It is a rock bolt made of a welded tube folded on itself and sealed at one extremity.

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Tension Rebar Rock Bolt

Minova’s Tension Rebar Bolt offers precise tension and significant cost savings. Where better beambuilding is needed, the Tension Rebar Bolt System has strength characteristics of 5, 10 and 15 tons.

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Tensionable Cable Bolt System

Minova’s patented Tensionable Cable Bolt System offers an advanced support system with all the installation versatility of traditional cable bolts while providing the ability to tension the cable during the normal roof bolting cycle.

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