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Home Product Big Head Carriage Bolt M12*150 - Dome Head Bolt, Galvanized Steel, Heavy-Duty Construction Fastener
Big head carriage bolt M12*150

Big Head Carriage Bolt M12*150 - Dome Head Bolt, Galvanized Steel, Heavy-Duty Construction Fastener

M12x150 Carriage Bolt
Big Head Bolt M12x150
Heavy Duty Carriage Bolt M12x150
Big head carriage bolt M12*150
M12x150 Carriage Bolt with oversized domed head, ideal as Big Head Bolt M12x150 for structural applications. This Heavy Duty Carriage Bolt M12x150 features 150mm length, durable construction for timber, metal, and concrete fastening in industrial and agricultural projects.
Categories:Fasteners & Fixings
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Product Description

The M12x150 Carriage Bolt, also known as Big Head Bolt M12x150 or Heavy Duty Carriage Bolt M12x150, is a high-strength fastening component designed for robust industrial applications. It features a round, domed head with an integrated square neck to prevent rotation during installation, ideal for heavy-duty assembly in construction, machinery, agricultural equipment, and structural frameworks. The bolt is constructed from grade 8.8 carbon steel with optional zinc or hot-dip galvanized coatings for corrosion resistance. With a thread length of 150mm and a nominal diameter of 12mm, it provides superior clamping force up to 800 MPa tensile strength. The enlarged head design distributes load evenly across surfaces, while the square neck ensures secure engagement with wood or metal substrates. Operating temperature ranges from -50°C to +250°C depending on coating. Key advantages include vibration resistance and compatibility with standard M12 nuts, though precise alignment is required during installation. This fastener is particularly suited for high-stress environments requiring long-term stability.
Parameter Specification
Product Type M12x150 Carriage Bolt
Bolt Designation Big Head Bolt M12x150
Category Heavy Duty Carriage Bolt M12x150
Nominal Diameter 12 mm
Thread Pitch 1.75 mm
Length Under Head 150 mm
Head Diameter 24 mm
Head Height 8 mm
Material Grade Carbon Steel Grade 5
Surface Finish Hot-Dip Galvanized
Tensile Strength 1200 MPa
Standards Compliance ASTM A307 / DIN 603
Hex Head Size 19 mm AF
Thread Length 40 mm
Corrosion Resistance Salt Spray 500 hrs
question:Can I apply for low-value declaration for shipments?
answer:Yes, if goods meet destination country’s tax-free threshold and compliance requirements.
question:Can I self-schedule official courier pickups?
answer:Yes, via your account portal or by contacting support for service activation.
question:How to track shipment status after dispatch?
answer:Use the tracking number provided in shipping documents on the courier’s official website.
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:Can I apply for low-value declaration for shipments?
answer:Yes, if goods meet destination country’s tax-free threshold and compliance requirements.
question:Can I self-schedule official courier pickups?
answer:Yes, via your account portal or by contacting support for service activation.
question:How to track shipment status after dispatch?
answer:Use the tracking number provided in shipping documents on the courier’s official website.
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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