“Grade 5 Zinc-Plated Hex Bolt” – Reliable Strength for Metal & Furniture Assembly
The “Grade 5 Zinc-Plated Hex Bolt” delivers dependable fastening strength and long-term performance for professional upholstery, furniture, and metal framework applications. Built from medium carbon steel and heat-treated to Grade 5 standards, it offers a balanced combination of tensile strength and flexibility, preventing damage under high torque.
Its zinc-plated finish (Z) provides durable corrosion protection while maintaining a clean metallic appearance. Designed with a hex head, this bolt ensures stable tightening and easy installation using standard tools — perfect for structural connections, metal joints, and furniture assemblies that demand precision and reliability.
🔑 Key Features
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Grade 5 heat-treated steel for durability and torque resistance 
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Zinc-plated (Z) finish for rust and corrosion protection 
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Coarse-thread design for quick and secure engagement 
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Hex head allows firm grip and easy tightening 
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Ideal for furniture frames, metal bases, and mechanical assemblies 
📐 Product Specifications
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Name: Grade 5 Zinc-Plated Hex Bolt 
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Type: Hex Head Bolt / Coarse Thread 
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Material: Medium Carbon Steel (Grade 5) 
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Finish: Zinc-Plated (Z) Anti-Corrosion Coating 
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Diameter: 5/16 in (7.94 mm) 
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Thread Pitch: 18 threads per inch (Coarse Thread) 
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Length: 3/4 in (19.05 mm) – excluding head 
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Head Size: 1/2 in (12.7 mm) 
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Applications: Upholstery structures, furniture assembly, metal frames, and hardware fittings 
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Durability: Designed for high-load, long-term structural fastening 
🧬 Material Features
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Grade 5 heat treatment for high mechanical strength 
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Zinc coating prevents corrosion and oxidation 
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Smooth threads ensure precise fit and stable engagement 
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Suitable for high-torque, heavy-duty applications 
🧼 Care Instructions
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Store in a dry, ventilated environment 
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Avoid exposure to moisture or corrosive chemicals 
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Clean periodically with a dry cloth to preserve zinc coating 
⚠️ Important
Product appearance and finish may vary slightly depending on lighting or screen settings. Verify bolt size and thread compatibility before use.
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