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Home Product Big Head Carriage Bolt M6*70 - Large Head Coach Bolt, Galvanized Steel Hex Bolts for Construction, Furniture Assembly, Machinery
Big head carriage bolt M6*70

Big Head Carriage Bolt M6*70 - Large Head Coach Bolt, Galvanized Steel Hex Bolts for Construction, Furniture Assembly, Machinery

Big head carriage bolt M6x70
M6x70 large head coach bolt
Heavy duty M6x70 carriage bolt
Big head carriage bolt M6*70
Big head carriage bolt M6x70 with large domed head and square neck, ideal for heavy-duty applications. Known as M6x70 large head coach bolt, this heavy-duty M6x70 carriage bolt ensures secure fastening in woodwork and machinery with its corrosion-resistant finish and durable steel construction.
Categories:Fasteners & Fixings
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Product Description

The Big head carriage bolt M6x70, also referred to as M6x70 large head coach bolt or Heavy duty M6x70 carriage bolt, is designed for robust industrial applications. With a metric thread size of M6 and a length of 70mm, it features an oversized domed head for superior clamping force and surface contact. Made from high-tensile carbon steel with optional galvanized or stainless steel finishes, it operates reliably in temperatures ranging from -20°C to 120°C. Ideal for construction, machinery assembly, and transportation equipment, this bolt excels in vibration-resistant fastening due to its anti-loosening design. Key advantages include extreme load capacity and corrosion resistance, though its larger head may require pre-drilled countersunk holes for installation. The threaded shaft ensures compatibility with standard M6 nuts and industrial anchoring systems.
Parameter Specification
Product Type Big Head Carriage Bolt
Thread Size M6 (Metric Coarse Thread)
Shank Length 70 mm
Head Style Large Round Head with Square Neck
Material Grade Carbon Steel (Grade 8.8)
Surface Finish Hot-dip Galvanized (ISO 1461)
Standards Compliance DIN 603 / ASTM A307
Hex Collar Height 2.5 mm
Minimum Tensile Strength 800 MPa
Torque Resistance 25 Nm max
question:Does the company offer technical selection services?
answer:Yes, we provide expert technical selection guidance to meet your needs.
question:Can shipments apply for low-value declaration?
answer:Yes, eligible shipments can apply for low-value declaration per regulations.
question:Do you support product customization?
answer:Yes, we offer tailored solutions to align with your specific requirements.
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:Does the company offer technical selection services?
answer:Yes, we provide expert technical selection guidance to meet your needs.
question:Can shipments apply for low-value declaration?
answer:Yes, eligible shipments can apply for low-value declaration per regulations.
question:Do you support product customization?
answer:Yes, we offer tailored solutions to align with your specific requirements.
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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