Donhad offers a comprehensive, quality-controlled manufacturing operation. The company’s in-house heat treatment operation enables us to produce fasteners to meet the tensile and hardness properties of any international or company specific standard and our laboratory is NATA endorsed. Our machine shop has sophisticated CNC capability for any finish machining requirements.

Donhad Pty Ltd technical support centre also includes:

• NATA Registered Quality Control Laboratory - since 1988
• Hardness Testing Facilities - Brinell, Rockwell, Vickers
• Chemical Analysis/Material Identification facilities
• Microstructure examinations
• Failure analysis and reports

For further information please refer to the Technical Bulletins below or contact us.

Downloads

Technical Bulletin: Forged Fasteners (pdf 444kb)
Technical Bulletin: Mill Liner Bolts (pdf 340kb)
Technical Bulletin: Rolled Threads (pdf 402kb)
Technical Bulletin: Torque (pdf 388kb)

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