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Home Product M8*45 Big Head Carriage Bolt - Large Head Coach Bolt, Heavy-Duty Fasteners, Zinc Plated, Construction Hardware, Machinery Fixings
Big head carriage bolt M8*45

M8*45 Big Head Carriage Bolt - Large Head Coach Bolt, Heavy-Duty Fasteners, Zinc Plated, Construction Hardware, Machinery Fixings

big head carriage bolt M8x45
M8x45 coach bolt
large head coach bolt 45mm
Big head carriage bolt M8*45
Big Head Carriage Bolt M8x45, M8x45 Coach Bolt with Large Round Head, 45mm Length Coach Bolt for Wood-to-Metal Fastening Applications.
Categories:Fasteners & Fixings
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Product Description

The big head carriage bolt M8x45, commonly referred to as M8x45 coach bolt or large head coach bolt 45mm, is a heavy-duty fastener engineered for robust structural connections. Designed with a domed, enlarged head and square neck to prevent rotation, it features an 8mm diameter and 45mm shank length, compliant with ISO or DIN standards. Typically made of galvanized steel or stainless steel (A2/A4 grades), it operates in temperature ranges from -50°C to 300°C, suitable for construction, rail infrastructure, and agricultural machinery. The bolt excels in high-load wood-to-metal assemblies, offering superior shear resistance and vibration-proof stability. Key drawbacks include limited use in narrow spaces due to the oversized head. Surface treatments like hot-dip galvanizing enhance corrosion resistance for outdoor applications.
ParameterSpecification
Product ModelBig Head Carriage Bolt M8x45
Alternative DesignationM8x45 Coach Bolt / Large Head Coach Bolt 45mm
Thread SizeM8 (Metric Coarse Thread)
Shank Length45 mm
Head Diameter22 mm
Head Height7 mm
Square Neck Width12.5 mm
Square Neck Height3 mm
Material GradeCarbon Steel Class 4.8 / A2/A4 Stainless Steel
Surface FinishZinc Plated / Plain / Hot-Dip Galvanized
Torque Capacity20-25 Nm (Dry)
Standard ComplianceDIN 603 / ISO 10642
Hex Socket SizeNo Hex Socket (Slotted/Plain Head)
ApplicationsWood-to-Wood/Metal Fastening, Structural Framing
question:Why can't you offer discontinued models when other suppliers can?
answer:Discontinued models may be sourced from third-party channels, which we do not engage with for quality assurance.
question:What payment methods are accepted?
answer:We accept TT, PayPal, and other mainstream payment methods for secure transactions.
question:Can I self-arrange official courier pickup?
answer:Yes, you can schedule official courier pickup after confirming order readiness and providing courier details.
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 can't you offer discontinued models when other suppliers can?
answer:Discontinued models may be sourced from third-party channels, which we do not engage with for quality assurance.
question:What payment methods are accepted?
answer:We accept TT, PayPal, and other mainstream payment methods for secure transactions.
question:Can I self-arrange official courier pickup?
answer:Yes, you can schedule official courier pickup after confirming order readiness and providing courier details.
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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