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Home Product Big Head Carriage Bolt M12x45 High Strength Coach Bolt for Automotive Construction
Big head carriage bolt M12*45

Big Head Carriage Bolt M12x45 High Strength Coach Bolt for Automotive Construction

Big head carriage bolt M12x45
M12x45 large head carriage bolt
Heavy duty M12 carriage bolt 45mm
Big head carriage bolt M12*45
Big head carriage bolt M12x45 features a large round head with square neck, designed for heavy-duty construction and machinery applications. M12x45 large head carriage bolt offers enhanced load distribution and secure fastening. Heavy duty M12 carriage bolt 45mm provides durable performance in structural projects, available in galvanized or zinc-plated finishes.
Categories:Fasteners & Fixings
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Product Description

The Big head carriage bolt M12x45 is a heavy-duty fastener designed for robust structural applications, featuring a large domed head with a square neck to prevent rotation during installation. This M12x45 large head carriage bolt has a metric thread size of 12mm diameter and 45mm shank length, crafted from high-strength carbon steel or corrosion-resistant stainless steel, with optional galvanized or zinc-plated finishes. Ideal for industrial sectors like construction, machinery, automotive, and heavy equipment assembly, it offers superior load distribution and shear resistance. The square neck ensures secure locking in wood, metal, or composite materials. Operating in standard temperature ranges (-20°C to 120°C), this heavy duty M12 carriage bolt 45mm is unsuitable for extreme environments or dynamic torsional loads. Key advantages include durability and anti-tamper design, while drawbacks involve challenging installation in confined spaces. No electrical or communication interfaces are integrated.
ParameterSpecification
Product ModelBig Head Carriage Bolt M12x45
Thread SizeM12 (Metric Coarse)
Shank Length45 mm
Head Diameter24 mm
Head Height8 mm
MaterialCarbon Steel Grade 8.8
Surface TreatmentHot-Dip Galvanized
Tensile Strength800 MPa min
Thread Pitch1.75 mm
Square Neck Width12.5 mm
Square Neck Thickness4 mm
Drive TypeHexagon Head
Torque Capacity110 Nm
Standard ComplianceDIN 603 / ISO 4017
Alternate NamesM12x45 Large Head Carriage Bolt, Heavy Duty M12 Carriage Bolt 45mm
ApplicationStructural fastening in wood/metal assemblies
question:Can I apply for low-value declaration for shipments?
answer:Yes, if shipment value meets local regulations. Provide invoice for verification.
question:What is the warranty policy?
answer:12-month warranty on manufacturing defects. Contact support for claims.
question:Do you offer bulk order discounts?
answer:Discounts available for orders above 500 units. Contact sales for custom quotes.
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 shipment value meets local regulations. Provide invoice for verification.
question:What is the warranty policy?
answer:12-month warranty on manufacturing defects. Contact support for claims.
question:Do you offer bulk order discounts?
answer:Discounts available for orders above 500 units. Contact sales for custom quotes.
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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