Our automated production line and know-how across a spectrum of applications means we can deliver tailored solutions for you. Whether it is a crane, large wheeled mining vehicle, large conveyor, massive power plant, pressure wheel, or just about any other heavy duty application, you can count on us. All our custom bolts are tested thoroughly and shipped via our global logistics network. And with our smart chips, installation and maintenance is simplified and optimized.
With every key process - hardening, hot dip galvanizing and testing - handled in-house and fully automated, we can efficiently tailor production to meet your exact project specifications. We can even Fast Track your order, including for small batches.
Cranes and heavy machinery have to operate under the most strenuous conditions. Whether they are for mining vehicles, power plants or cranes, Dokka Fasteners bolts are precisely manufactured to withstand even the toughest usage.
We offer fasteners that are simple to install, and there is the option to order pre-lubricated fasteners. For added data and intelligence, you can choose from a wide range of smart / intelligent bolts. These can come with, for example, RFID chips integrated, and provide data on areas like batches, measured value and certification.
Our team is on hand to ensure that your designs are combined with our know-how to provide the best components for your project. Our experience and partnership-focused approach can help you to speed up your project timeframe and optimize your budget.
We understand the range of tough conditions cranes and heavy machinery operate under, and our expert team is on-hand to advise you on the optimal corrosion-resistant coating to meet your usage needs.
Slew-ring bolts according to customer requirement and specification
– tested against 3rd party requirements including 100% MPI after hardening.
Heavy Engineering fasteners in property classes 8.8, 10.9 and 12.9:
1
2
We use the most durable fastener material on the market - black steel. And we provide you the optimal combination of grades, alloys and treatments to deliver the strongest fastener possible.
You can select from a wide range of grades, enabling the best result for your use case.
Select from 8.8, 10.9, 12.9. Whatever grade is best for you, we can supply it.
Our experts will provide you with a custom combination of grades, alloys and treatments, giving you the most effective solution for your use case.
Choose from a selection of different alloys to ensure the best result possible.
1
2
3
You can select from a wide range of grades, enabling the best result for your use case.
Select from 8.8, 10.9, 12.9. Whatever grade is best for you, we can supply it.
Our experts will provide you with a custom combination of grades, alloys and treatments, giving you the most effective solution for your use case.
Choose from a selection of different alloys to ensure the best result possible.
Our technical department has experience working on a range of crane and heavy industry use cases, and can provide feedback and comments on your technical drawings and specifications.
Along with offering HDG in-house, we use a network of trusted subcontractors to procure Zinc Flake, Sheradizing, Phosphate, Zinc Plate, and PTFE surface coatings.
We keep a fully-stocked inventory of heat-treated blank bolts, which enables us to fast track orders. This includes large diameter bolts in a range of different lengths. Whatever your lead time, and however large or small your production run, we are ready to handle it.
