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Home Product M6*55 Cylindrical Head Hexagon Socket Screws, Stainless Steel DIN 912, High Torque Fasteners for Machinery Assembly
Cylindrical head hexagon socket screws M6*55

M6*55 Cylindrical Head Hexagon Socket Screws, Stainless Steel DIN 912, High Torque Fasteners for Machinery Assembly

M6x55 cylindrical head screw
M6x55 hex socket screw
M6-55 socket cap screw
Cylindrical head hexagon socket screws M6*55
Cylindrical head screw with M6x55 dimensions, designed for hex socket drive applications. Features durable construction as M6x55 hex socket screw and M6-55 socket cap screw variants. Precision-engineered for secure fastening in industrial assemblies and machinery components. Compact hexagonal recess allows tool accessibility in confined spaces. Available with surface treatments for corrosion resistance. Compliant with international fastener standards.
Categories:Fasteners & Fixings
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Product Description

The M6x55 cylindrical head screw, also known as an M6x55 hex socket screw or M6-55 socket cap screw, is a high-strength fastening component designed for precision assembly. Featuring a cylindrical head with an internal hexagon socket (ISO 4762/DIN 912 standard), this screw has a 55mm nominal length, M6 thread diameter, and 1.0mm pitch. Manufactured in grade 12.9 alloy steel with optional zinc-plated or black oxide coatings, it operates reliably in temperatures from -50°C to +120°C. Widely used in machinery, automotive, and electronics industries, its compact head design enables installation in confined spaces. Advantages include superior torque transmission via the hex socket and corrosion resistance, though proper alignment is critical to prevent socket rounding. Not compatible with standard slotted or Phillips drivers, requiring ISO hex keys for installation.
Parameter Specification
Thread Size M6x55 cylindrical head screw
Head Style Cylindrical with hexagon socket
Drive Type Hex socket (ISO 4762)
Material Carbon steel / Stainless steel A2
Tensile Strength 8.8 grade (700 MPa min)
Surface Finish Zinc-plated / Black oxide
Head Diameter 10.0 mm ±0.5
Socket Size 5.0 mm hex key
Thread Pitch 1.0 mm standard
Work Length 55 mm (underhead measurement)
Standards DIN 912 / ISO 4762 compliant
Alternate Designation M6x55 hex socket screw, M6-55 socket cap screw
question:Why can other suppliers source discontinued models we can't offer?
answer:They may have remaining stock or refurbished units. We prioritize current models for quality assurance.
question:Can you provide shipment photos or purchase dates for ordered products?
answer:Due to privacy policies, we can't share shipment photos or purchase dates, but offer detailed product specifications.
question:What payment methods do you accept?
answer:We accept TT, Paypal, Credit Card, and other mainstream payment methods for secure transactions.
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:Why can other suppliers source discontinued models we can't offer?
answer:They may have remaining stock or refurbished units. We prioritize current models for quality assurance.
question:Can you provide shipment photos or purchase dates for ordered products?
answer:Due to privacy policies, we can't share shipment photos or purchase dates, but offer detailed product specifications.
question:What payment methods do you accept?
answer:We accept TT, Paypal, Credit Card, and other mainstream payment methods for secure transactions.
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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