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Home Product Cylindrical Head Hexagon Socket Screws M12x40 | DIN 912 Stainless Steel Hex Socket Cap Screw Fastener
Cylindrical head hexagon socket screws M12*40

Cylindrical Head Hexagon Socket Screws M12x40 | DIN 912 Stainless Steel Hex Socket Cap Screw Fastener

M12x40 Hex Socket Screw
Cylindrical Head M12 Bolt
Hex Cap Screw M12x40
Cylindrical head hexagon socket screws M12*40
M12x40 Hex Socket Screw with cylindrical head design, engineered for high-torque applications in machinery and construction. Features a precision-machined hex cap for secure socket wrench engagement. Cylindrical Head M12 Bolt with 40mm shank length, ideal for heavy-duty fastening where low-profile clearance is required. Hex Cap Screw M12x40 combines ISO-standard dimensions with durable steel construction for reliable performance in industrial equipment assembly and structural frameworks.
Categories:Fasteners & Fixings
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Product Description

The M12x40 Hex Socket Screw, also known as Cylindrical Head M12 Bolt or Hex Cap Screw M12x40, is a DIN 912-compliant fastener with a cylindrical head featuring a hexagonal socket drive. Its M12x40 metric thread (12mm diameter, 40mm length) provides secure clamping force, supporting a tensile strength of up to 1000 MPa. Designed for tight spaces due to its low-profile head, this stainless steel screw operates reliably in temperatures from -50°C to +150°C and features corrosion-resistant properties per ISO 3506 standards. Ideal for machinery assembly, automotive engineering, and structural applications, its key advantages include vibration resistance and tool access efficiency. Limitations include requiring a 10mm hex key for installation and reduced head visibility in confined areas. The fully threaded design ensures uniform load distribution across connected components.
ParameterSpecification
Product DesignationM12x40 Hex Socket Screw
Head TypeCylindrical Head M12 Bolt
Drive TypeHex Cap Screw M12x40
Thread Diameter12 mm
Length40 mm (under-head)
Thread Pitch1.75 mm (Standard Metric)
MaterialGrade 8.8 Steel
Tensile Strength800 MPa Min
Surface TreatmentBlack Oxide/Zn Plated
Hex Socket Size10 mm (EN ISO 4762)
Head Diameter18.0±0.15 mm
Head Height8.0±0.36 mm
Thread Tolerance6g per ISO 965-1
StandardsDIN 912, ISO 4762
Torque Capacity105 Nm (lubricated)
ApplicationIndustrial Machinery Assembly
question:Do you have a professional product selection engineering team?
answer:Yes, we have a specialized team with expertise in product analysis and sourcing.
question:Do you provide technical selection services?
answer:Yes, we offer comprehensive technical selection guidance and support for optimal solutions.
question:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other global logistics providers for reliable delivery.
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 specialized team with expertise in product analysis and sourcing.
question:Do you provide technical selection services?
answer:Yes, we offer comprehensive technical selection guidance and support for optimal solutions.
question:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other global logistics providers for reliable delivery.
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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