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Home Product M12x50 Hex Flange Bolt DIN 6921 | Heavy Duty Steel Lock Nut | Zinc Plated Automotive Fastener
Hexagonal flange screws

M12x50 Hex Flange Bolt DIN 6921 | Heavy Duty Steel Lock Nut | Zinc Plated Automotive Fastener

Hex flange screw M12x50
M12x50 hexagonal bolt
DIN 6921 flange head screw
Hexagonal flange screws M12*50
M12x50 Hex flange screw, DIN 6921 compliant flange head hexagonal bolt with integrated washer. Combines hexagonal drive and flange design for robust fastening in mechanical assemblies. M12x50 size specification.
Categories:Fasteners & Fixings
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Product Description

The Hex flange screw M12x50, also referred to as the M12x50 hexagonal bolt or DIN 6921 flange head screw, is a high-strength fastening solution designed for industrial applications. This screw features a 12mm nominal diameter, 50mm length, and full threading. The integrated hexagonal flange head (19mm across flats, 24mm flange diameter) eliminates the need for separate washers, providing secure load distribution. Constructed from grade 8.8 steel with zinc plating, it withstands temperatures from -30°C to +120°C and operates in automotive, machinery, and structural assemblies. The flange design enhances vibration resistance but requires sufficient installation space. Compliant with DIN 6921 standards, it offers 89 Nm maximum torque capacity and corrosion protection for durable performance in harsh environments.
Parameter Specification
Product Model Hex flange screw M12x50, M12x50 hexagonal bolt, DIN 6921 flange head screw
Thread Size M12 x 1.75
Length 50 mm
Head Type Hexagonal flange with integrated washer
Flange Diameter 24 mm
Flange Thickness 6 mm
Material Carbon steel Grade 8.8
Surface Treatment Zinc-plated (5-8 µm)
Torque Value 90 Nm (dry)
Standard Compliance DIN 6921, ISO 4162
Hex Key Size 19 mm
Thread Length 32 mm
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question:Why can other suppliers source discontinued models you cannot offer?
answer:We adhere strictly to legal supply chains. Discontinued models from unauthorized sources may risk authenticity or compliance.
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:Do you have a professional product selection engineering team?
answer:Yes, we have a dedicated engineering team specializing in product sourcing and quality assurance to ensure optimal selections.
question:Can I arrange self-pickup with official couriers independently?
answer:Yes, self-pickup via official couriers is available. Please contact our logistics team to coordinate the process.
question:Why can other suppliers source discontinued models you cannot offer?
answer:We adhere strictly to legal supply chains. Discontinued models from unauthorized sources may risk authenticity or compliance.
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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