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Home Product Big Head Carriage Bolt M8*90 Heavy Duty Galvanized Steel DIN 603 Construction Machinery Fastener

Big Head Carriage Bolt M8*90 Heavy Duty Galvanized Steel DIN 603 Construction Machinery Fastener

M8x90 large head carriage bolt

heavy duty big head hex bolt

M8-90 oversized carriage fastener

Big head carriage bolt M8*90

M8x90 large head carriage bolt engineered for heavy-duty applications. This heavy duty big head hex bolt features an M8-90 oversized carriage fastener design, offering superior load-bearing capacity and vibration resistance. Perfect for construction, woodworking, and machinery assembly. Durable zinc-plated steel construction ensures corrosion resistance and long-term reliability. Combines a wide domed head with a square neck for non-spinning installation in high-stress environments.

Categories:Fasteners & Fixings

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Product Description

The M8x90 large head carriage bolt is a heavy duty big head hex bolt designed for robust structural applications. Featuring an M8 thread diameter and 90mm length, this oversized carriage fastener integrates a prominent domed head with a square neck to prevent rotation during installation. Constructed from high-grade steel with zinc-plated corrosion resistance, it operates effectively in temperatures from -20°C to 120°C. Primarily used in construction, machinery assembly, and industrial equipment sectors, its key advantages include exceptional shear strength and vibration resistance. Limitations include bulkier dimensions requiring pre-drilled clearance. The M8-90 oversized carriage fastener delivers 10.9 tensile strength class performance, supporting dynamic loads up to 800kg, with a 19mm hexagonal head width for secure wrench engagement.

Parameter	Specification
Product Type	M8x90 Large Head Carriage Bolt
Thread Size	M8 (Metric Coarse)
Shank Length	90 mm
Head Style	Oversized Domed Head
Head Diameter	24 mm
Drive Type	Hexagonal (Heavy Duty Big Head Hex Bolt)
Material Grade	Class 8.8 Steel
Surface Finish	Zinc Plated
Thread Pitch	1.25 mm
Tensile Strength	800 MPa
Standards Compliance	DIN 603, ISO 888
Application	Heavy-duty construction, machinery, structural assemblies

question:Why are the shipping costs so high? Are there any cheaper options?
answer:Shipping costs vary by carrier and destination. We offer economy shipping for cost-effective solutions. Contact us for tailored options.
question:What payment methods do you accept?
answer:We accept TT, PayPal, and other mainstream payment methods. Confirm details via invoice or contact our team for assistance.
question:How long does delivery take after payment?
answer:Delivery time depends on shipping method and destination. Standard: 7-15 days, expedited: 3-7 days. Exact ETA provided post-order.
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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