Ordinary Expansion Bolt Swellex Type
- -Delivers immediate structural support
- -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
Ordinary Expansion Bolt Swellex Type
The Ordinary Expansion Bolt Swellex Type is a friction bolt made from pressed steel tubing. It can expands and unfolds in the rock hole through the pressure of water, no resin or grout is necessary. The installation is convenient and fast and can provide uniform support for the rock strata. It is suitable for rock strata under various conditions.
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 |
| 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 |
> Ordinary Expansion Bolt Swellex Type Accessories
> Ordinary Expansion Bolt Swellex Type Length
Length: 1.2m / 1.5m / 1.8m / 2.1m / 2.4m or as requested
Surface: Black / Plastic coated / Thermal Diffused or as requested.
