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Home Product Big head carriage bolt M6x120 - Large Head Carriage Bolts, Galvanized Steel, Heavy-Duty Fasteners for Construction, Automotive Applications
Big head carriage bolt M6*120

Big head carriage bolt M6x120 - Large Head Carriage Bolts, Galvanized Steel, Heavy-Duty Fasteners for Construction, Automotive Applications

Big head coach bolt M6x120
M6x120 large head coach screw
M6x120 stainless carriage bolt
Big head carriage bolt M6*120
Big head coach bolt M6x120, also known as M6x120 large head coach screw or stainless carriage bolt. Heavy-duty construction fastener with a domed head for secure, tamper-resistant applications. Available in multiple materials including corrosion-resistant stainless steel variants. Ideal for timber and metal frameworks.
Categories:Fasteners & Fixings
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Product Description

The Big head coach bolt M6x120 is a heavy-duty fastener designed for structural and industrial applications. This M6x120 large head coach screw features a 6mm diameter, 120mm shaft length, and an oversized circular head for enhanced load distribution. Constructed from stainless steel (typically A2/A4 grade), it offers corrosion resistance for outdoor or harsh environments. Its primary applications include construction, machinery assembly, and transportation equipment where high tensile strength (up to 800MPa) and vibration resistance are required. The M6x120 stainless carriage bolt operates in temperature ranges from -50°C to +300°C, suitable for extreme conditions. Advantages include permanent fastening security with anti-rotation square neck design, while limitations involve specialized installation requiring pre-drilled square holes. Compatible with M6 nuts and standard 10mm wrench sizes, this bolt is widely used in steel framing, bridge components, and agricultural machinery.
Parameter Specification
Product Model Big head coach bolt M6x120
Diameter (M) M6 (6mm)
Length (L) 120mm
Head Type Large Dome Head
Thread Type Partial Thread
Material Stainless Steel (A2/A4)
Tensile Strength Grade 5.8
Surface Finish Zinc Plated / Natural
Standards Compliance DIN 603 / ISO 1207
Additional Names M6x120 large head coach screw, M6x120 stainless carriage bolt
question:Why is shipping so expensive? Are there more cost-effective delivery options?
answer:Shipping costs depend on logistics partners and market rates. We offer multiple options and can negotiate discounts for bulk orders.
question:Can your company provide technical selection services?
answer:Yes, we offer technical consultation and product selection guidance based on your requirements and application scenarios.
question:How is after-sales handled if a malfunction reveals the product is refurbished?
answer:We follow strict quality policies. If verified, we replace or refund immediately, ensuring fair resolution.
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 shipping so expensive? Are there more cost-effective delivery options?
answer:Shipping costs depend on logistics partners and market rates. We offer multiple options and can negotiate discounts for bulk orders.
question:Can your company provide technical selection services?
answer:Yes, we offer technical consultation and product selection guidance based on your requirements and application scenarios.
question:How is after-sales handled if a malfunction reveals the product is refurbished?
answer:We follow strict quality policies. If verified, we replace or refund immediately, ensuring fair resolution.
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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