Ordinary Expansion Bolt Swellex Type

  • -The Ordinary Expansion Bolt Swellex Type is a friction bolt made from pressed steel tubing.
  • -Ordinary Expansion Bolt Swellex Type expands 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


Ordinary Expansion Bolt Swellex Type 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 Ordinary Expansion Bolt Swellex Type

> Ordinary Expansion Bolt Swellex Type

> 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


> Ordinary Expansion Bolt Swellex Type Accessories

Domed plate or Star plate.


> Ordinary Expansion Bolt Swellex Type Length

Length: 0.9m to 3.0m or as requested.

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

                                Ordinary Bolt



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