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Home Product M10x40 Hex Flange Bolt DIN 6921, A2-70 Stainless Steel, Automotive Fasteners
Hexagonal flange screws

M10x40 Hex Flange Bolt DIN 6921, A2-70 Stainless Steel, Automotive Fasteners

Hex flange screws M10x40
M10 hex flange bolts
M10x40 flange screws
Hexagonal flange screws M10*40
Hex flange screws M10x40, also known as M10 hex flange bolts, feature a hexagonal head with integrated washer flange for load distribution. These M10x40 flange screws are DIN 6921 compliant, made of high-grade steel with zinc plating. Designed for machinery, automotive, and structural applications requiring vibration resistance. Compatible with 10mm wrench sockets. Standard thread pitch and 40mm shank length ensure secure fastening in heavy-duty assemblies.
Categories:Fasteners & Fixings
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Product Description

Designed for robust mechanical fastening, Hex flange screws M10x40 (also known as M10 hex flange bolts or M10x40 flange screws) feature a 10mm nominal diameter and 40mm shank length with an integrated hexagonal flange for load distribution. These carbon steel or stainless steel fasteners typically achieve ISO 898-1 grade 8.8 tensile strength (10.9 grade optional), supporting operating temperatures from -50°C to +250°C. The 16mm flange diameter provides vibration resistance without separate washers. Widely used in automotive, construction, and heavy machinery assembly, these screws offer superior clamping force and anti-loosening performance. While their flange design simplifies installation, tight spaces may require specialized socket tools. Corrosion-resistant variants extend service life in harsh environments. Compatible with standard M10 nuts and threaded components.
Parameter Specification
Product Type Hex flange screws M10x40 / M10 hex flange bolts
Thread Size M10 (Metric coarse thread)
Length 40 mm
Head Type Hexagonal flange head with integrated washer
Material Carbon steel (Grade 8.8) or Stainless steel (A2-70)
Surface Finish Zinc-plated, Galvanized, or Plain
Flange Diameter 19.7 mm
Hex Key Size 17 mm (AF)
Thread Pitch 1.5 mm
Standard Compliance DIN 6921 / ISO 1665
Torque Capacity Up to 60 Nm (lubricated)
Application Automotive, Machinery, Construction
question:Can the company provide technical selection services?
answer:Yes, we offer technical selection guidance to help clients choose products based on specifications and requirements.
question:What is the warranty?
answer:Our standard warranty covers manufacturing defects for 12 months from shipment date, excluding misuse or unauthorized modifications.
question:Can I apply for low-value declaration for shipments?
answer:Low-value declarations depend on destination customs regulations. Provide shipment details for eligibility confirmation.
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:Can the company provide technical selection services?
answer:Yes, we offer technical selection guidance to help clients choose products based on specifications and requirements.
question:What is the warranty?
answer:Our standard warranty covers manufacturing defects for 12 months from shipment date, excluding misuse or unauthorized modifications.
question:Can I apply for low-value declaration for shipments?
answer:Low-value declarations depend on destination customs regulations. Provide shipment details for eligibility confirmation.
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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