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Home Product Big Head Carriage Bolt M12*160, Heavy-Duty Galvanized Steel Fastener, Round Head Square Neck Bolt, Construction Hardware, Rust-Resistant
Big head carriage bolt M12*160

Big Head Carriage Bolt M12*160, Heavy-Duty Galvanized Steel Fastener, Round Head Square Neck Bolt, Construction Hardware, Rust-Resistant

M12 carriage bolt 160mm
Heavy duty carriage bolt M12
Large head carriage bolt M12x160
Big head carriage bolt M12*160
Heavy-duty M12 carriage bolt, 160mm length, large head design for enhanced load distribution and secure fastening in construction, machinery, and structural applications.
Categories:Fasteners & Fixings
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Product Description

The M12 carriage bolt 160mm is a heavy-duty carriage bolt M12 designed for robust structural applications, featuring a large head carriage bolt M12x160 with a 24mm diameter domed head and a square neck to prevent rotation during installation. This bolt is crafted from high-grade steel (Grade 8.8) with a zinc-plated finish for corrosion resistance, suitable for load-bearing environments like construction, industrial machinery, and agricultural equipment. With a tensile strength of 800 MPa, it operates reliably in temperatures ranging from -30°C to 120°C. The 160mm length and M12 thread diameter ensure secure fastening in thick materials, while the oversized head distributes pressure evenly, minimizing surface damage. Ideal for wood-to-metal or heavy timber connections, its primary drawback is the requirement for pre-drilled square holes for optimal installation. No integrated electronics, sensors, or battery components are included.
Parameter Specification
Product Model Big Head Carriage Bolt M12x160
Thread Diameter M12 (12mm)
Overall Length 160mm
Head Type Large Domed Square Head
Head Width 24mm
Head Height 8mm
Shank Length 145mm
Thread Length 15mm
Material High-Strength Carbon Steel
Surface Finish Hot-Dip Galvanized
Tensile Strength 800 MPa
Hardness Rating HRC 28-32
Standard Compliance ASTM A307 / ISO 898-1
Application Heavy-Duty Structural Connections
Corrosion Resistance Class 3 Coating (50μm)
question:How is the after-sales issue handled if a refurbished device malfunctions?
answer:We offer free repair or replacement for refurbished devices under warranty, following a thorough inspection to confirm the cause.
question:Can the company ensure stable supply continuity?
answer:Yes, we maintain reliable partnerships with multiple suppliers and manage inventory strategically to guarantee consistent product availability.
question:Is low-value declaration applicable for shipments?
answer:Low-value declaration is subject to destination customs regulations; we comply strictly with international trade laws to avoid penalties.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:How is the after-sales issue handled if a refurbished device malfunctions?
answer:We offer free repair or replacement for refurbished devices under warranty, following a thorough inspection to confirm the cause.
question:Can the company ensure stable supply continuity?
answer:Yes, we maintain reliable partnerships with multiple suppliers and manage inventory strategically to guarantee consistent product availability.
question:Is low-value declaration applicable for shipments?
answer:Low-value declaration is subject to destination customs regulations; we comply strictly with international trade laws to avoid penalties.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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