Domed Washer for Friction Stabilizer
- -TONRY designs and manufactures a wide range of plates and combination plates used with various rock bolts.
- -The Domed washer for friction stabilizer helps to distribute the roof bolt load evenly in all directions to prevent loose strata from falling between rock bolts.
- -Provide stable support for the bolt even in the rough rock layers.
- -The galvanized coating is available to protect the plates from corrosion.
Domed Washer for Friction Stabilizer
Domed washer was designed to offer a high load bearing capacity typically used with friction stabilizer bolt,solid bolt and cable bolt.It's domed profile could create an instant fixing force to the bolt and it's flange supporting on the rock surface getting a stable and safety support in ground support application.
Load test is also necessary to domed washer,which can promise the bearing capacity of domed washer is reached the original design,the load testing result the completely different according to the different profile and different sizes of domed washer.
Domed Washer for Friction Stabilizer Specification
| Plate Type | Length (mm) | Width (mm) | Thickness (mm) | Unit Weight (kg) | Dog ear |
| TRDP | 120 | 120 | 4 | 0.45 | Y |
| TRDP | 125 | 125 | 4 | 0.49 | Y |
| TRDP | 150 | 150 | 4 | 0.71 | Y |
| TRDP | 150 | 150 | 5 | 0.88 | Y |
| TRDP | 150 | 150 | 6 | 1.06 | Y |
| TRDP | 150 | 150 | 8 | 1.42 | Y |
| TRDP | 150 | 150 | 12 | 2.12 | N |
| TRDP | 200 | 200 | 4 | 1.26 | Y |
| TRDP | 200 | 200 | 5 | 1.57 | Y |
| TRDP | 200 | 200 | 8 | 2.51 | N |
| TRDP | 200 | 200 | 10 | 3.14 | N |
| TRDP | 200 | 200 | 12 | 3.77 | N |
| TRDP | 200 | 200 | 14 | 4.40 | N |
| TRDP | 200 | 200 | 16 | 5.02 | N |
Domed Washer for Friction Stabilizer Features & Advantages
Custom sizes can be provided to meet specific customer needs.
The dome-shaped design significantly increases bearing capacity.
Features a dog ear design for easy suspension of service lines.
Friction stabilizer plate's hole diameter is 2mm larger than the bolt for a snug fit.
Thread bolt plate's hole diameter is 4-5mm larger than the bolt, unless used with a dome ball.
Offered in either a black finish or hot-dip galvanized for added durability.
Domed Washer for Friction Stabilizer Package
Domed washers are packed with wire slips, plywood box, steel pallets and wrapping films.


