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Home Product Big Head Carriage Bolt M12x60 (Coach Bolt), Galvanized Steel Grade 8.8, Construction Machinery Fasteners
Big head carriage bolt M12*60

Big Head Carriage Bolt M12x60 (Coach Bolt), Galvanized Steel Grade 8.8, Construction Machinery Fasteners

Big head carriage bolt M12x60
M12x60 carriage bolt
Large head M12 carriage bolt
Big head carriage bolt M12*60
Big head carriage bolt M12x60 for heavy-duty fastening with a large, low-profile head. This M12x60 carriage bolt features a square neck to prevent rotation during installation. The large head M12 carriage bolt is ideal for wood-to-metal applications, offering secure clamping with M12x60 dimensions.
Categories:Fasteners & Fixings
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Product Description

The Big head carriage bolt M12x60, also known as M12x60 carriage bolt or Large head M12 carriage bolt, features a 12mm diameter shank with 60mm length. Designed for heavy-duty fastening in construction, machinery, and automotive industries, it employs a domed head with square neck for anti-rotation grip. Typically manufactured in grade 8.8 steel with zinc plating, it withstands tensile loads up to 800MPa and operates in temperatures from -20°C to 120°C. The oversized head distributes stress effectively, preventing pull-through in wood or metal surfaces. Key advantages include vibration resistance and simplified installation, though bulkier dimensions may limit tight-space applications. Surface treatments include hot-dip galvanization for outdoor use. Compatible with M12 nuts and standard wrenches, this bolt requires 90-100 N·m torque for optimal fastening performance.
Parameter Specification
Model Name Big head carriage bolt M12x60 / M12x60 carriage bolt / Large head M12 carriage bolt
Thread Size M12 (Metric coarse thread)
Thread Length Full thread (60mm)
Shank Length 60mm ±1.5mm
Head Diameter 24mm (Large domed head)
Square Neck 8mm height × 16mm width
Material Carbon steel (Grade 8.8) / Stainless steel (A2-70)
Surface Finish Hot-dip galvanized / Plain / Zinc-plated
Tensile Strength 800 MPa (Carbon steel) / 700 MPa (Stainless steel)
Torque Value 90-110 N·m (Grade 8.8)
Standard Compliance DIN 603 / ASTM A307
Drive Type Hexagonal drive (ISO 4014)
question:Why are shipping costs so high? Are there more economical options?
answer:We partner with reliable couriers and offer volume discounts. Contact us for competitive quotes.
question:What payment methods do you accept?
answer:We accept TT, PayPal, and other major payment methods for secure transactions.
question:Do you allow payment after delivery?
answer:Our standard policy requires payment before shipment. Custom terms may apply for bulk orders.
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 are shipping costs so high? Are there more economical options?
answer:We partner with reliable couriers and offer volume discounts. Contact us for competitive quotes.
question:What payment methods do you accept?
answer:We accept TT, PayPal, and other major payment methods for secure transactions.
question:Do you allow payment after delivery?
answer:Our standard policy requires payment before shipment. Custom terms may apply for bulk orders.
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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