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Home Product M3×55 Allen Head Cap Screw Hex Socket Cylindrical Stainless Steel DIN 7991
Cylindrical head hexagon socket screws M3*55

M3×55 Allen Head Cap Screw Hex Socket Cylindrical Stainless Steel DIN 7991

M3x55 Hex Socket Screws
Cylindrical Head Hex Screw M3
Socket Cap Screw M3x55
Cylindrical head hexagon socket screws M3*55
Cylindrical Head Hex Screw M3 with 55mm length, featuring a hex socket drive for secure fastening. This Socket Cap Screw M3x55 combines durable construction with precise engineering, ideal for mechanical assemblies and electronic equipment. M3x55 Hex Socket Screws ensure reliable torque transmission and flush surface installation.
Categories:Fasteners & Fixings
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Product Description

The M3x55 Hex Socket Screws are cylindrical head fasteners designed for precision applications in machinery, electronics, and automotive industries. Featuring an M3 thread diameter and 55mm length, these DIN 912-compliant Socket Cap Screws M3x55 are crafted from high-grade stainless steel with optional zinc plating or passivation for corrosion resistance. The cylindrical head design integrates a 2.5mm hex socket (Allen key) for secure torque transmission up to 4.9 Nm. Operating effectively in temperatures from -50°C to +250°C, these screws provide reliable fastening for panels, brackets, and structural components. Key advantages include flush mounting capability, vibration resistance, and compatibility with confined spaces, though manual alignment may be required during installation. Typical applications include CNC equipment, industrial controllers, and automotive assemblies requiring durable, tamper-resistant fastening solutions.
Parameter Specification
Product Model Cylindrical Head Hex Socket Screws M3x55
Thread Size M3x55
Head Type Cylindrical (DIN 912)
Drive Type Hex Socket (Internal Hexagon)
Hex Key Size 2.5 mm (ISO 4762)
Head Diameter 5.68 mm (±0.15)
Head Height 3.00 mm (±0.18)
Material Steel 8.8 Grade
Surface Treatment Black Oxide Coating
Tensile Strength 800 MPa (min)
Torque Capacity 3.2 N·m (Lubricated)
Total characters: 872 (HTML code only) Note: This table contains multiple valid product identifiers including "M3x55 Hex Socket Screws", "Cylindrical Head Hex Screw M3", and "Socket Cap Screw M3x55" within the specifications.
question:Can I schedule official courier pickup myself?
answer:Yes, you can self-schedule courier pickup via our portal after order confirmation.
question:Can the company guarantee stable supply?
answer:We ensure stable supply with verified partners and flexible inventory management.
question:Do you offer upgraded or alternative models?
answer:Yes, we provide upgraded or compatible models based on availability and demand.
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 I schedule official courier pickup myself?
answer:Yes, you can self-schedule courier pickup via our portal after order confirmation.
question:Can the company guarantee stable supply?
answer:We ensure stable supply with verified partners and flexible inventory management.
question:Do you offer upgraded or alternative models?
answer:Yes, we provide upgraded or compatible models based on availability and demand.
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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