Product Details
Metric Hex Nuts (Metric)
Metric Hex Nuts (Metric) Black-Oxide Class 8.8
Standard DIN 934
Specifications
- Black-Oxide Class 8.8
- Alloy Steel Hex Socket
- Coarse Thread
- M2 Thread Pitch: 0.4mm Hex Size: 1.5mm
- M3 Thread Pitch: 0.5mm Hex Size: 2.5mm
- M4 Thread Pitch: 0.7mm Hex Size: 3.0mm
- M5 Thread Pitch: 0.8mm Hex Size: 4.0mm
- M6 Thread Pitch: 1.0mm Hex Size: 5.0mm
Nylon Lock DIN 985
Specifications
- Black-Oxide Class 8.8
- Alloy Steel Hex Socket
- Coarse Thread
- M2 Thread Pitch: 0.4mm Hex Size: 1.5mm
- M3 Thread Pitch: 0.5mm Hex Size: 2.5mm
- M4 Thread Pitch: 0.7mm Hex Size: 3.0mm
- M5 Thread Pitch: 0.8mm Hex Size: 4.0mm
- M6 Thread Pitch: 1.0mm Hex Size: 5.0mm
We also offer fasteners kits for the Rat Rig V-Core 3 and Voron 2.4
Great Resource for Socket Hex Head Screws

Installation & Care
Installation and Care details coming soon.
Shipping & Returns
Shipping & Turnaround Times
At dnb3D, we don’t just ship boxes—we manufacture solutions. Operating our Industry 4.0 micro-factory in Marathon, Ontario, means your order is handled by the same people who design and test these components.
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Ready to Ship (3D Printer Parts & Hardware): Finished, inspected, and on the shelf. Dispatched within 1 to 2 business days.
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In-House Manufacturing (Laser, Plasma, 3D Prints): These items are manufactured “fresh” to order. Please allow 3 to 5 business days for precision cutting and finishing.
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Custom Projects: Bespoke designs require a consultation and a locked-in timeline before production begins.
National Shipping Reach
We ship nationwide across Canada and the USA. Centrally located on the North Shore of Lake Superior, we are uniquely positioned to get your products moving quickly to either coast.
30-Day Craftsmanship Guarantee
We stand behind every weld, cut, and print. If a product doesn’t meet your expectations, contact the Hub within 30 days. If we wouldn’t put it in our own shop, we won’t let it sit in yours.
Returns & Personalization
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Standard Items: Contact us within 30 days for return authorization. Items must be in original, unused condition.
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Custom/Personalized Orders: Digitally fabricated to your exact specs (names, custom dimensions, or unique finishes) are final sale once production begins.
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Shipping Costs: Return shipping is the responsibility of the customer unless the item arrived damaged or defective.
Have questions about a specific build? Click here to contact the shop.