Hydrabolts

  • -The Hydrabolts is a friction bolt made from pressed steel tubing.
  • -Hydrabolts expand and unfolds in the rock hole through the pressure of water.
  • -The installation is convenient and fast and can provide uniform support for the rock strata.
  • -It is suitable for rock strata under various conditions.
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Product Details

Hydrabolts Key Features


Installation is rapid and effortless


No resin or grout is necessary


Remains stable despite blasting vibrations and varying rock strengths


Boasts an extensive expansion range, ensuring even load distribution along the hole


Delivers immediate structural support

                                       Ordinary Bolt

Two designs of Hydrabolts

> Hydrabolts

> New improved Bolt with non-return valve which limits "spring-back" giving increased pull-out resistance and keeps high strength expansion.

Item Description

Tube Thickness(mm)

Inflated Bolt Dia

(mm)

Drill Hole Dia

(mm)

Minimum UTS

(mm)

Elongation%Mass/Meter
27mm24135-38120102kg/m
27mm25445-51160102.8kg/m
37mm

3

5445-51240103.75kg/m


Hydrabolts Accessories

Domed plate or Star plate.


Hydrabolts Length

Length: 0.9m to 3.0m or as requested.

> Surface: Black / Plastic coated / Thermal Diffused or as requested.

                                        Hydrabolts







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