Kiruna Bolt
- -It is easy to install and can achieve rapid mechanical installation
- -Suitable for using with either resin cartridges or cement grout.
- -High strength and good support effect
Kiruna Bolt
Kiruna Bolt is made of hot rolled ribbed bar(TR Bar or Rebar).One end is cut into a 100mm cross slot to insert the steel wedgr;the other end is rolled thread,This bolt has been approved in Sweden Mines.
Kiruna Bolt Features
One end is cutinto a cross slot to insert the steel wedgr.
Slot & wedge device offers expansion friction strength to get a good point anchorage.
Sharp wedge could break the resin cartridge easily to improve installation efficiency.
Spherical washer provides up to 180° angleoftileThis“user friendly” rounded corner can greatly increase the bearing capacity of the plate at the bevel of rock.
Used for permanent support in mines and tunnels.
Fast and easy installation by mechanized tools.
Available in black or hot dip galvanized.
How to work
After
drilling a hole and inserting steel wedge into the cross slot,drive and
rotate the thread bar to ensure the wedge contacts with the surface of
hole end.Impact the external end of the bar by drilling machine,the
steel wedge will expand the slot,which leads to an expansion friction
strength between rock and bolt to get a good point anchorage.
Kiruna Bolt Bearing plate:
Domed nut, hex nut, anti-friction washer,domed plate
Applications:
Mines
Tunnels
Slopes
Places where need ground support
Tonry with the manufacturer specialized in developing new support products,according to different requirements of a variety of customized products from different mining companies.
