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Home Product Big Head Carriage Bolt M8*50 (Coach Bolt) - Galvanized Steel Heavy-Duty Construction Fasteners
Big head carriage bolt M8*50

Big Head Carriage Bolt M8*50 (Coach Bolt) - Galvanized Steel Heavy-Duty Construction Fasteners

M8 big head carriage bolt 50mm
Heavy-duty carriage bolt M8x50
Large head M8 carriage bolt 50mm
Big head carriage bolt M8*50
Heavy-duty M8x50 zinc-plated big head carriage bolt with large circular head, designed for structural applications and machinery assembly. 50mm length provides durable fastening in demanding environments.
Categories:Fasteners & Fixings
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Product Description

The M8 big head carriage bolt 50mm is a heavy-duty carriage bolt M8x50 designed for robust mechanical fastening in construction, machinery, and industrial applications. Featuring a large head M8 carriage bolt 50mm with a domed top and square neck to prevent rotation during installation, it ensures secure anchoring in high-load environments. Constructed from grade 8.8 carbon steel or A2/A4 stainless steel, this bolt offers tensile strength up to 800 MPa and corrosion resistance. The M8 thread (1.25 mm pitch) and 50 mm length provide versatile compatibility with thick materials. With a head diameter of 18 mm and height of 5 mm, it distributes stress effectively. Operating temperature ranges from -20°C to 150°C. Ideal for structural framing, automotive assemblies, and outdoor equipment, its square neck eliminates need for secondary locking but requires pre-drilled square holes for installation. Complies with DIN 603/ISO 1207 standards.
ParameterSpecification
Product ModelBig head carriage bolt M8x50
Thread DiameterM8 (8mm)
Length50mm (under head)
Head TypeLarge round head with square neck
Head Diameter20mm
Head Height6.5mm
MaterialSteel
FinishZinc-plated
Thread Pitch1.25mm (standard coarse)
Square Neck Width10mm
Torque Capacity20-25 Nm (dry steel)
ApplicationHeavy-duty wood-to-metal fastening
Temperature Range-30°C to +120°C
Tensile Strength800 MPa minimum
Standard ComplianceDIN 603
question:Why is a service fee charged?
answer:Service fees cover transaction processing and international transfer costs to ensure secure and efficient payments.
question:What payment methods do you accept?
answer:We support TT, PayPal, bank transfers, and other mainstream payment methods for global transactions.
question:Can I request low-value declaration for shipments?
answer:Low-value declarations are possible but must comply with destination country regulations. Confirm requirements beforehand.
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:Why is a service fee charged?
answer:Service fees cover transaction processing and international transfer costs to ensure secure and efficient payments.
question:What payment methods do you accept?
answer:We support TT, PayPal, bank transfers, and other mainstream payment methods for global transactions.
question:Can I request low-value declaration for shipments?
answer:Low-value declarations are possible but must comply with destination country regulations. Confirm requirements beforehand.
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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