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Home Product M4x20 DIN 912 Socket Head Cap Screw Stainless Steel Hex Bolt A2-70 Alloy
Cylindrical head hexagon socket screws M4*20

M4x20 DIN 912 Socket Head Cap Screw Stainless Steel Hex Bolt A2-70 Alloy

M4x20 hex socket screws
DIN 7984 cylindrical head screws
4mm hex socket cap bolts
Cylindrical head hexagon socket screws M4*20
M4x20 hex socket screws with DIN 7984 cylindrical head design. 4mm hex socket cap bolts made from zinc-plated steel for corrosion resistance. DIN 7984 cylindrical head screws with 4mm hex drive.
Categories:Fasteners & Fixings
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Product Description

The M4x20 hex socket screws are high-precision fasteners designed as DIN 7984 cylindrical head screws, featuring a cylindrical low-profile head with a 4mm hex socket cap bolt drive. These screws have a thread diameter of 4mm and a length of 20mm, engineered for applications requiring space optimization and secure fastening in confined areas. Made from hardened steel or corrosion-resistant materials, they operate within a wide temperature range (-50°C to +120°C) and are ideal for mechanical assemblies, automotive components, and industrial automation systems. Their cylindrical head design minimizes protrusion, while the hex socket ensures precise torque transmission. Key advantages include vibration resistance and durability, though installation requires compatible hex keys. Commonly used in electronics, machinery, and aerospace industries, these screws comply with ISO 4762 standards for dimensional accuracy.
Parameter Specification
Thread Size M4x20
Head Style Cylindrical (DIN 7984)
Drive Type Hex Socket (4mm Allen Key)
Material Carbon Steel/Stainless Steel
Thread Pitch 0.7mm
Head Diameter 7.0mm
Head Height 2.8mm
Socket Depth 2.0mm
Standard Compliance DIN 7984, ISO 4762
Surface Treatment Zinc Plated/Black Oxide
question:How is after-sales service handled if a refurbished product malfunctions?
answer:We promptly replace or refund refurbished items with faults at no extra cost.
question:Do you provide technical selection support?
answer:Yes, our team offers expert technical selection guidance tailored to your needs.
question:What is the minimum order quantity (MOQ)?
answer:MOQ varies by product; contact us for specifics and flexible arrangements.
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:How is after-sales service handled if a refurbished product malfunctions?
answer:We promptly replace or refund refurbished items with faults at no extra cost.
question:Do you provide technical selection support?
answer:Yes, our team offers expert technical selection guidance tailored to your needs.
question:What is the minimum order quantity (MOQ)?
answer:MOQ varies by product; contact us for specifics and flexible arrangements.
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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