Slot & Wedge Bolt / Kiruna bolt

Slot & Wedge bolt,which also named Kiruna bolt can be manufactured from full threadbar, TR-Bar or Rebar.

One end is cut into a 100mm cross slot to insert the steel wedge and the other end is rolled thread.

Functions:

Being used with face plate, domed ball,anti-friction washer and nut,

Full threadbar bolt can be an effective rock reinforcement system for underground rock support.

Features&Advantages:

1.A proven solution – used in LKAB’s undergroundmines for over 40 years

2.The wedge enable pre-tensioning before the concrete hardens.

3.Immediate load-carrying capacity.

4.Suitable for using with either resin cartridges or cement grout.

5.Used for permanent ground support.

6.Fast and easy installation by mechanized tools.

7.Available in black or hot dip galvanized.

Bearing plate:

Round plate, domed plate

Accessories:

Domed nut, hex nut, anti-friction washer,domed ball

Length & Package:

1.Bolts are packaged in bundles.

2.Bolt fittings, such as nuts, anti-friction washers and domed balls, are supplied fitted to rock bolts in the configuration requested.

Applications:

Mines

Tunnels

Slopes

Places where need ground support