The Grooved Bolt, which also named "paddle bolt" is manufactured from full thread bar, TR-Bar, or Rebar. One end is stamped into 3½ paddle configuration and the other end is rolled thread.
Grooved Bolt Functions:
Being used with plate, domed ball,anti-friction washer and nut, Grooved Bolt can be an effective rock reinforcement system for underground rock support.
Grooved Bolt Features&Advantages:
1. Available in various of bar configuration.
2. The grooved configuration in the end of the boltcan ensure the bolt will be in the middle of the bore hole.
3. The grooved configuration will improve resin mixing and consequently provide high bond strength.
4. With pin nut device, nut could help drive the bolt to mix the resin.
5. Used for permanent ground support.
6. Fast and easy installation by mechanized tools.
7. Available in black or hot dip galvanized.
Bearing plate of Grooved Bolt:
Grooved Bolt Accessories:
Domed nut, hex nut, anti-friction washer,domed ball
Grooved Bolt 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.
Grooved Bolt Applications:
Mines
Tunnels
Slopes
Places where need ground support