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Home Product M12x65 Big Head Carriage Bolt, DIN 603 Stainless Steel Heavy Duty Fastener for Construction
Big head carriage bolt M12*65

M12x65 Big Head Carriage Bolt, DIN 603 Stainless Steel Heavy Duty Fastener for Construction

Big head M12 carriage bolt 65mm
M12x65 coach bolt with flange
Large head M12*65 coach screw
Big head carriage bolt M12*65
Big head M12 carriage bolt 65mm, M12x65 coach bolt with flange, and Large head M12*65 coach screw for heavy-duty fastening applications.
Categories:Fasteners & Fixings
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Product Description

The Big head M12 carriage bolt 65mm is a heavy-duty fastener designed for robust industrial applications such as construction, machinery assembly, and automotive frameworks. Featuring an M12x65 coach bolt with flange, it incorporates a large, flat head and integrated flange to distribute load evenly, preventing surface damage and ensuring secure clamping. The M12*65 coach screw is made of high-strength carbon steel or stainless steel, offering corrosion resistance and a working temperature range of -30°C to +120°C. Its flanged design eliminates the need for separate washers, while the square neck beneath the head resists rotation during installation. Ideal for vibration-prone environments, this bolt excels in structural joints and equipment mounting but may require specialized tools for tight spaces. Thread length and torque capacity align with ISO/DIN standards.
Parameter Specification
Product Model Big head carriage bolt M12*65
Material Carbon steel, zinc-plated
Standard ISO 7379 / ASTM A307
Head Type Large round head with integrated flange
Thread Diameter M12 (12mm)
Total Length 65mm (thread length 40mm, shoulder 25mm)
Thread Type Full thread carriage bolt with rolled threads
Flange Diameter 26mm
Flange Thickness 3mm
Drive Type Square neck under head
Torque Capacity 90 Nm (Grade 5 equivalent)
Surface Treatment Hot-dip galvanized (ASTM B633)
Packaging 50pcs/box, bulk packaging available
Applications Structural connections, heavy equipment, wood-to-metal fastening
question:Why is the shipping cost so high? Are there cheaper options available?
answer:Shipping costs depend on weight, destination, and carrier. We can discuss alternative options for cost savings.
question:Why can other suppliers find and offer discontinued models you can't?
answer:Some suppliers may hold remaining stock or source from unofficial channels. We prioritize current, certified models.
question:Why were the product labels removed upon delivery?
answer:Label removal may follow manufacturer policies or distribution agreements. Functionality remains unaffected.
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 the shipping cost so high? Are there cheaper options available?
answer:Shipping costs depend on weight, destination, and carrier. We can discuss alternative options for cost savings.
question:Why can other suppliers find and offer discontinued models you can't?
answer:Some suppliers may hold remaining stock or source from unofficial channels. We prioritize current, certified models.
question:Why were the product labels removed upon delivery?
answer:Label removal may follow manufacturer policies or distribution agreements. Functionality remains unaffected.
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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