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 89kN (20,000 lbs) | Recommended Bit Dia. 30-33mm (1.2 -1.3")
- Bolt Dia 35mm (1.4") | Weight 1.6kg/m (1.1 lbs/ft) | Ultimate Min. Tensile Strength 89kN (20,000 lbs) | Recommended Bit Dia. 32-35mm (1.3 -1.4")
- Bolt Dia 39mm (1.5") | Weight 1.7kg/m (1.2 lbs/ft) | Ultimate Min. Tensile Strength 111kN (25,000 lbs) | Recommended Bit Dia. 35-39mm (1.4 -1.5")
- Bolt Dia 46mm (1.8") | Weight 2.8kg/m (1.9 lbs/ft) | Ultimate Min. Tensile Strength 151kN (34,000 lbs) | Recommended Bit Dia. 42-46mm (1.7 -1.8")
