From my factory to your procurement team, I stock Carriage bolts that stand up to heavy timber and outdoor assemblies. I offer Wholesale pricing and dedicated support for Manufacturers seeking reliable supply and consistent quality. These bolts feature a domed head and square shoulder, ideal for smooth fits in wooden joints. Available in zinc-plated steel for corrosion resistance or stainless steel for harsh environments, in sizes from M8 to M12. My quality checks ensure threads align and finish is uniform, cutting assembly time for your crew. Whether you need small or large quantities, I tailor MOQs and lead times to your production schedule. With clear labeling and packaging, restock is simple for your warehouse. If you’re ordering for multiple sites or OEM builds, I’ll help you set up a steady supply line that keeps projects moving.
Carriage bolts, with a rounded head and square undercut, are a trusted wood-to-wood fastener for furniture and decking. Sourcing directly from the factory ensures consistent specifications and pricing, giving you the exact diameter, length, and thread pitch with minimal middleman risk. You gain reliable supply, shorter lead times, and clear batch traceability. Key advantages include corrosion-resistant finishes such as zinc-plating or stainless steel, precise heat treatment, and strict quality control. A factory-direct supplier can customize lengths, head styles, finishes, and packaging, while maintaining traceability and compliant performance for structural or outdoor use. Global buyers face varied climates, regulatory needs, and just-in-time demands. A dependable direct source aligns product specs with procurement workflows, offers samples for fit and function, and provides predictable lead times and transparent pricing. By choosing a partner focused on factory-direct excellence, you can optimize cost, quality, and delivery globally.
| Nominal Size | Grip Length (mm) | Material | Finish | Tensile Strength (MPa) | Yield Strength (MPa) | Standard | Thread | Head Diameter (mm) | Notes |
|---|---|---|---|---|---|---|---|---|---|
| M6 | 20 | Carbon Steel | Zinc-Plated | 500 | 350 | DIN 603 | M6 x 1.0 | 13 | General purpose |
| M8 | 25 | Stainless Steel | Passivated | 620 | 420 | DIN 603 | M8 x 1.25 | 16 | Outdoor use |
| M10 | 30 | Carbon Steel | Zinc-Nickel | 800 | 640 | DIN 603 | M10 x 1.5 | 19 | High strength |
| M12 | 40 | Alloy Steel | Black Oxide | 900 | 760 | DIN 603 | M12 x 1.75 | 22 | Heat-treated |
| M14 | 50 | Stainless Steel | A4-80 (316) | 860 | 520 | DIN 603 | M14 x 2.0 | 26 | Corrosion resistance |
| M16 | 60 | Carbon Steel | Zinc-Plated | 650 | 520 | DIN 603 | M16 x 2.0 | 28 | High load capacity |