Minova’s Friction Bolt improves rock stability and safety factors by tightening as lateral strata movement occurs.
The Friction Bolt is primarily used in metalliferous mining operations but is also well suited for rib support in coal operations.
Minova’s Friction Bolt is available in four diameter sizes: 33mm, 35 mm, 39 mm and 46mm.
Advantages
- Manufactured from high strength steel
- Available in galvanized and stainless steel
- Improves rock stability and safety
Product Options
- Bolt Dia 33mm (1.3") | Weight 1.6kg/m (1.1 lbs/ft) | Ultimate Min. Tensile Strength 71kN (16,000 lbs) | Typical Drill Hole Diam. 30-32mm (1-3/16" - 1-1/4")
- Bolt Dia 35mm (1.4") | Weight 1.6kg/m (1.1 lbs/ft) | Ultimate Min. Tensile Strength 71kN (16,000 lbs) | Typical Drill Hole Diam. 33-34mm (1-5/16" - 1-3/8")
- Bolt Dia 39mm (1.5") | Weight 1.7kg/m (1.2 lbs/ft) | Ultimate Min. Tensile Strength 89kN (20,000 lbs) | Typical Drill Hole Diam. 36-38mm (1-3/8" - 1-1/2")
- Bolt Dia 46mm (1.8") | Weight 2.8kg/m (1.9 lbs/ft) | Ultimate Min. Tensile Strength 133kN (30,000 lbs) | Typical Drill Hole Diam. 43-45mm (1-11/16" - 1-3/4")
