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Home Product Big head carriage bolt M12*100 | Round Head Square Neck Bolt, Galvanized Steel, HD Construction Fasteners
Big head carriage bolt M12*100

Big head carriage bolt M12*100 | Round Head Square Neck Bolt, Galvanized Steel, HD Construction Fasteners

Big head M12 carriage bolt
M12x100 carriage bolt
M12x100 big head bolt
Big head carriage bolt M12*100
Big head M12 carriage bolt with M12x100 dimensions, engineered for heavy-duty fastening applications. This M12x100 carriage bolt combines a large head design for enhanced grip and M12x100 big head bolt specifications, featuring full threading and durable zinc-plated finish. Ideal for structural assembly, wood-to-metal connections, and machinery installations requiring secure, vibration-resistant fasteners.
Categories:Fasteners & Fixings
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Product Description

The Big head M12 carriage bolt, also referred to as the M12x100 big head bolt or M12x100 carriage bolt, is engineered for heavy-duty structural fastening in industries like construction, automotive assembly, and industrial machinery. Featuring a 12mm diameter and 100mm shank length, this bolt integrates a broad, domed head with an integrated square neck to prevent rotation during installation. Constructed from high-grade carbon steel with optional galvanized or stainless steel coatings, it offers corrosion resistance and a tensile strength of up to 800 MPa, ideal for high-load applications. The design eliminates the need for washers, ensuring efficient assembly, though installation requires pre-drilled square-neck holes for optimal stability. Operating effectively in temperatures ranging from -40°C to 120°C, it excels in harsh environments. Key advantages include superior vibration resistance and load distribution, while its prominent head may necessitate additional clearance. This bolt is widely utilized in frameworks requiring reliable, long-term fastening solutions.
Parameter Specification
Product Model Big head M12 carriage bolt, M12x100 carriage bolt, M12x100 big head bolt
Thread Diameter M12 (12mm)
Thread Length 100mm
Head Diameter 24mm
Material Carbon Steel
Strength Grade Class 8.8
Surface Finish Zinc-plated
Square Neck Size 12mm x 6mm
Thread Pitch 1.75mm
Standards DIN 603, ISO 7412
question:Can the company ensure stable supply?
answer:Yes, we maintain reliable supplier partnerships and optimized logistics to ensure consistent product availability.
question:Is low-value declaration possible for shipments?
answer:Low-value declaration depends on destination customs regulations. Consult our logistics team for compliant solutions.
question:Why were products received with removed labels?
answer:Label removal complies with specific regional import policies. Contact us immediately for resolution if unintended.
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 the company ensure stable supply?
answer:Yes, we maintain reliable supplier partnerships and optimized logistics to ensure consistent product availability.
question:Is low-value declaration possible for shipments?
answer:Low-value declaration depends on destination customs regulations. Consult our logistics team for compliant solutions.
question:Why were products received with removed labels?
answer:Label removal complies with specific regional import policies. Contact us immediately for resolution if unintended.
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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