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Home Product Big Head Carriage Bolt M6*55 Coach Bolt Heavy Duty for Construction Machinery
Big head carriage bolt M6*55

Big Head Carriage Bolt M6*55 Coach Bolt Heavy Duty for Construction Machinery

Big head M6x55 carriage bolt
M6x55 heavy duty carriage bolt
Large head coach bolt M6
Big head carriage bolt M6*55
Big head M6x55 carriage bolt, M6x55 heavy duty carriage bolt with large round head. Large head coach bolt M6x55 features robust zinc-plated steel construction, hexagonal nut compatibility, designed for wood-to-metal fastening applications requiring secure anchoring.
Categories:Fasteners & Fixings
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Product Description

The Big head M6x55 carriage bolt is a heavy-duty fastener designed for demanding industrial applications, commonly used in construction, machinery assembly, and automotive frameworks. This M6x55 heavy duty carriage bolt features a large domed head (10mm diameter head) with a 55mm shank length, ensuring superior load distribution and tamper-resistant installation. Made from grade 8.8 carbon steel with optional zinc plating, it operates reliably in temperatures ranging from -30°C to +150°C. The large head coach bolt M6 integrates a square neck beneath the head to prevent rotation when secured, ideal for joining wood, metal, or composite materials. Advantages include exceptional shear strength and corrosion resistance, though its protruding head requires adequate clearance. Compatible with standard M6 nuts, it eliminates the need for auxiliary components in structural connections.
Parameter Specification
Product Model Big head carriage bolt M6x55
Alternate Names Big head M6x55 carriage bolt, M6x55 heavy duty carriage bolt, Large head coach bolt M6
Thread Size M6 (Metric 6mm diameter)
Length 55mm (underhead measurement)
Head Diameter 20mm
Head Height 5mm
Neck Dimensions Square 8mm x 8mm
Material Grade Carbon Steel (Grade 4.8)
Surface Finish Zinc-plated (5-8µm)
Torque Rating 12-15 Nm (dry)
Standard Compliance DIN 603 / ISO 898-1
Application Wood-to-metal fastening, structural assembly
Drive Type Hex socket (internal)
question:Can the company provide upgraded or alternative models?
answer:Yes, we offer upgraded or alternative models based on availability and compatibility.
question:How is after-sales support handled if a refurbished product malfunctions?
answer:We provide a replacement or refund after verifying the refurbished status through official channels.
question:What does the warranty cover?
answer:The warranty covers manufacturing defects for a specified period, starting from the date of purchase.
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 provide upgraded or alternative models?
answer:Yes, we offer upgraded or alternative models based on availability and compatibility.
question:How is after-sales support handled if a refurbished product malfunctions?
answer:We provide a replacement or refund after verifying the refurbished status through official channels.
question:What does the warranty cover?
answer:The warranty covers manufacturing defects for a specified period, starting from the date of purchase.
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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