Rock Bolts – Solid Bar
| Physical Properties | Minimum | Typical |
|---|---|---|
| Yield Strength | 600MPa / 220kN | 650MPa / 240kN |
| Tensile Strength | 840MPa / 305kN | 920MPa / 340kN |
| Calculated Shear Strength | 200kN | 225kN |
| Elongation (After Fracture) | 13% | 15% |
| Mass Per Metre | 2.92kg |
| Bar Core Diameter | 21.7mm |
| Major Bar Diameter | 23.2mm |
| Cross Sectional Area | 370mm² |
| Rolled Thread | M24x3.0mm Pitch |
Overview
- The MANX bolt system eliminates threaded bar protruding beyond the tensioning nut of the rock bolt. This system can be utilised where clearance is an issue in low seam heights
- Rib bolt and hard rock version are also available.
Key Features
- Resin Anchored Headed Type Bolt.
- Eliminates potential damage and injury from protruding bolt threads.
- Shear Pin Break Out System.
- Tensionable through Male Bolt and Female Coupling Connection System.
- Can be used with 24mm Bolts in Standard 28mm Holes.
- Standard 1 ½ " UNC nut.
- Dome Ball Washer for use with Standard Dome Plates.
- *Patent Pending.
Installation Guide Lines
- 28 hole diameter are preferred with a 45mm counter bore.
- Hole depth to length or slightly oversized, up to 40mm is acceptable.
- It is important to follow resin anchor recommended mixing and hold times printed on the resin anchor cartons. DO NOT OVER MIX.
- For further details regarding MAX24 installation procedures refer to DSI Underground’s product information drawing 32071062 and MANX24 install guide.
- 56mm HEX socket installation spanner required.
Standard Lengths & Packaging
- Standard bolt lengths range from 600 to 3000mm in 300mm increments.
- Non-standard requirements are available by negotiation.
- Bolts are packaged in bundles with threads protected by heavy duty polyethylene bags.
- Bolt fittings, such as nut and anti-friction washer, are normally supplied fitted to wriggle bolts in the configuration as requested.
