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Home Product M12*20 Cylindrical Head Hex Socket Allen Screws DIN 912 Stainless Steel Cap Bolts Fasteners
Cylindrical head hexagon socket screws M12*20

M12*20 Cylindrical Head Hex Socket Allen Screws DIN 912 Stainless Steel Cap Bolts Fasteners

M12x20 hex socket screw
Socket head cap screw M12x20
Cylindrical hex socket screw
Cylindrical head hexagon socket screws M12*20
M12x20 hex socket screw, also known as Socket head cap screw M12x20. Cylindrical hex socket screw with 12mm diameter and 20mm length. Precision-engineered for secure fastening in industrial machinery and equipment assemblies.
Categories:Fasteners & Fixings
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Product Description

The M12x20 hex socket screw, also referred to as a Cylindrical hex socket screw or Socket head cap screw M12x20, is a precision-engineered fastener designed for high-torque applications in machinery, automotive, and industrial equipment. Constructed from grade 12.9 alloy steel with a zinc-plated finish, it features a cylindrical head height of 7.5 mm and a socket depth of 12 mm, requiring a 10 mm hex key for installation. With a tensile strength of 1,200 MPa, it operates reliably in temperatures ranging from -50°C to +250°C, suitable for environments demanding vibration resistance and corrosion protection. Its compact head design minimizes space usage while maintaining high clamping force. Though optimized for permanent installations, it requires specialized tools for removal. Ideal for structural assemblies, hydraulic systems, and heavy-duty equipment, this screw complies with DIN 912 standards for dimensional accuracy and load-bearing performance.
Parameter Specification
Thread Size (Metric) M12x1.75
Nominal Length 20 mm
Head Type Cylindrical Hex Socket
Socket Drive Size 10 mm Hex Key
Material Grade Class 8.8 Steel / A2-70 Stainless
Tensile Strength 800 MPa (Class 8.8)
Surface Finish Zinc Plated / Black Oxide
Head Diameter 19.00 mm ±0.30
Head Height 12.00 mm ±0.20
Thread Pitch 1.75 mm
Torque Value 110-135 N·m (Lubricated)
Thread Engagement Minimum 1.0×D (12 mm)
Shear Strength 640 MPa (Class 8.8)
Temperature Range -50°C to +250°C (Coated)
Standard Compliance DIN 912 / ISO 4762
question:Does the company provide technical selection services?
answer:Yes, we offer technical selection support for our products.
question:Do you accept payment after delivery?
answer:Payment terms require upfront payment prior to shipment.
question:What shipping methods are available?
answer:We support DHL, FedEx, UPS, and other major carriers.
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:Does the company provide technical selection services?
answer:Yes, we offer technical selection support for our products.
question:Do you accept payment after delivery?
answer:Payment terms require upfront payment prior to shipment.
question:What shipping methods are available?
answer:We support DHL, FedEx, UPS, and other major carriers.
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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