Construction Bolts | High Strength × High Precision × Professional Taiwan Fastener Manufacturer

Ko Ying Hardware produces construction bolts and heavy-duty nuts widely utilized across structural steel framing, bridge construction, formwork anchoring, and large-scale civil engineering projects.

Using carbon steel, alloy steel, and stainless steel processed through cold forging, heat treatment, and specialized surface finishing, our bolts deliver high structural strength, corrosion resistance, and long-term durability.

Key Advantages

• High-Strength Cold Forging: Retains continuous metal grain structure for elevated tensile performance.
• Precision Thread Design: Ensures secure load-bearing capability and structural site safety.
• Multi-Material Options: Tailored to project load demands.
• Surface Treatment: Galvanizing, black oxide, and rust-inhibiting finishes.
• Custom Engineering: Tooling for non-standard bolt/nut specifications via drawings.

Specifications & Shipping Info