Swellex Bolt
- -The Swellex Bolt is a friction bolt made from pressed steel tubing.
- -Swellex Bolt 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.
Swellex Bolt Key Features
Installation is quick and seamless.
There's no need for resin or grout.
Maintains stability amid blasting vibrations and fluctuating rock strengths.
Features a wide expansion range for uniform load distribution throughout the hole.
Provides instant structural reinforcement.
Two designs of Swellex Bolt
> Swellex Bolt
> 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 |
| 27mm | 2 | 41 | 35-38 | 120 | 10 | 2kg/m |
| 27mm | 2 | 54 | 45-51 | 160 | 10 | 2.8kg/m |
| 37mm | 3 | 54 | 45-51 | 240 | 10 | 3.75kg/m |
> Swellex Bolt Accessories
> Swellex Bolt Length
Length: 0.9m to 3.0m or as requested.
> Surface: Black / Plastic coated / Thermal Diffused or as requested.
