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Home Product M5*40 Hexagonal Flange Screws DIN 6921, A2 Stainless Steel Bolts Class 8.8 for Automotive and Machinery
Hexagonal flange screws

M5*40 Hexagonal Flange Screws DIN 6921, A2 Stainless Steel Bolts Class 8.8 for Automotive and Machinery

Hex flange screws M5x40
Metric M5 flange screws
M5x40 hex screws
Hexagonal flange screws M5*40
Hexagonal flange screws M5x40: High-strength fasteners made of carbon steel or stainless steel, zinc-plated for corrosion resistance. Features integrated flange for load distribution and hex head for tool compatibility. Ideal for automotive assemblies, machinery, and structural applications requiring vibration resistance. Available as Hex flange screws M5x40, Metric M5 flange screws, or M5x40 hex screws with DIN 6921 compliance.
Categories:Fasteners & Fixings
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Product Description

Hex flange screws M5x40 are metric M5 flange screws designed for secure fastening in machinery, automotive, and electronics. Featuring a hexagonal head and integrated washer flange for even load distribution, these M5x40 hex screws have a thread length of 40 mm, 5 mm shaft diameter, and flange diameter of 9.7 mm. Compatible with ISO 7380 standards, they operate in temperatures from -50°C to +120°C and resist corrosion with optional zinc-plated coatings. Ideal for high-vibration environments, they provide excellent torque transmission using a 5 mm hex key. Key advantages include vibration resistance and simplified assembly, though limited to M5 threading. Commonly used in industrial automation, structural frameworks, and electrical enclosures.
Parameter Specification
Product Designation Hex flange screws M5x40 / Metric M5 flange screws
Thread Size M5 (Metric coarse thread)
Length Under Head 40 mm
Hex Head Size 8 mm across flats
Flange Diameter 11.7 mm
Material Grade Class 8.8 carbon steel / A2 stainless steel
Surface Finish Zinc-plated / Plain / Geomet® coating
Torque Value 8.1 N·m (Class 8.8 steel)
Standards Compliance ISO 4762 / DIN 6921
Flange Thickness 1.5 mm
Thread Pitch 0.8 mm (Standard coarse pitch)
Bearing Surface Area 84.5 mm² (calculated from flange diameter)
question:Why can other suppliers find discontinued models that you cannot provide?
answer:Suppliers may have varying inventory sources or existing stock of older models, which we prioritize current product lines.
question:Why is shipping so expensive? Do you offer cheaper options?
answer:We provide multiple logistics solutions and can tailor options to balance cost and delivery speed for your needs.
question:Do you offer technical selection support?
answer:Yes, our team provides technical guidance to help choose the best-fit products for your 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:Why can other suppliers find discontinued models that you cannot provide?
answer:Suppliers may have varying inventory sources or existing stock of older models, which we prioritize current product lines.
question:Why is shipping so expensive? Do you offer cheaper options?
answer:We provide multiple logistics solutions and can tailor options to balance cost and delivery speed for your needs.
question:Do you offer technical selection support?
answer:Yes, our team provides technical guidance to help choose the best-fit products for your 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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