AJAX - Dog Screw Railway Fasteners for Rail Tracks With Timber Sleepers

AJAX is the largest manufacturer of high-quality railway fasteners in the southern hemisphere, and has been Australia's premier name in bolts for over 100 years. AJAX represents a benchmark in fastener quality, and is considered the prime source of innovation and technology in Australia.

As world markets continue to change and issue new challenges to Australian manufacturing, so AJAX evolves to meet those challenges and ensure that the brand maintains the highest levels of quality and satisfaction to its customers.

Dog screw railway fasteners for rail track with timber sleepers

AJAX dog screw railway fasteners are designed for rail track with timber sleepers. They offer cost-effective, superior performance and are easier and safer to install than dog spikes or coach screws.

AJAX dog screw railway fasteners offer cost benefit over spikes because of their wave threadform. This enhances the useful life of timber sleepers by both reducing the effect of spike-kill and the need for maintenance.

AJAX dog screw railway fasteners conform to the Australian Standard Suppliers Quality System AS3902-1987/ISO 9002-1987, ensuring their quality and reliability.

Railway fasteners with corrosion protection

AJAX dog screw railway fasteners feature phos-oil coating which provides corrosion resistance to ensure optimum insertion performance. Other corrosion-resistant coatings, including galvanising are available.

Safe, reliable railway fasteners

AJAX dog screw railway fasteners incorporate the following features:

• The patented wave thread form provides easy insertion, safe handling, and reduces damage to timber
• A six-lobe head allows greater installation torques, and reduces the chance of slip or damage
• Coated for corrosion resistance
• 41mm diameter flange with a curved shape provides optimum contact and toe load on rail
• Semi-automated insertion systems available
• Suited to 15.75tal and 20 tal traffic on plated and unplated track
• Easy to install
• Screws can be easily removed and reinserted
• The screw's high lateral force resistance makes it suitable for use in curved track

Railway fasteners for long-term holding in timber sleepers

Benefits of using AJAX dog screw railway fasteners over conventional dog spikes and corck screws include:

• Provides long-term holding in timber sleepers
• Minimal maintenance requirements
• Safer to install and remove
• Cost savings by enhancing the useful lie of the sleepers