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Home Product M4*20 Electronic Screws | Machine Screws, ElexFix Precision Series, Stainless Steel, PCB Mounting Hardware, Nylon Washer Included
Electronic screws M4*20

M4*20 Electronic Screws | Machine Screws, ElexFix Precision Series, Stainless Steel, PCB Mounting Hardware, Nylon Washer Included

Electronic screws M4x20
M4 machine screws 20mm
Metric screws M4-20
Electronic screws M4*20
Electronic screws M4x20 for electronic assemblies and precision machinery components. M4 machine screws 20mm length with standard ISO metric thread, manufactured in stainless steel or zinc-plated steel. Metric screws M4-20 feature 4mm diameter and 20mm shaft length, suitable for PCB mounting, equipment panels, and small mechanical joints. Includes 0.7mm pitch threading with flat/socket head options.
Categories:Fasteners & Fixings
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Product Description

The Electronic screws M4x20, also known as M4 machine screws 20mm or Metric screws M4-20, are precision fasteners designed for secure connections in electronics, automation, and industrial machinery. These screws feature an M4 thread diameter with a 20mm length, compliant with ISO metric standards. Typically made of corrosion-resistant steel or stainless steel, they offer high tensile strength and durability. Commonly used in PCB mounting, panel assembly, and modular equipment integration, these screws operate reliably in environments with a temperature range of -40°C to +120°C. Their compact size and standardized threading ensure compatibility with M4 nuts and pre-tapped holes. Advantages include vibration resistance and easy installation using standard M4 drivers, though they may require anti-seize compounds in high-humidity applications. Surface treatments like zinc plating enhance longevity in harsh industrial settings.
Parameter Specification
Designation Electronic screws M4x20
Thread Size M4 (Metric screws M4-20)
Length 20mm (M4 machine screws 20mm)
Thread Pitch 1.6mm
Diameter 4mm
Material Steel/Stainless Steel A2-70
Strength Class 8.8/12.9
Head Style Pan Head/Flat Head
Drive Type Phillips/Slotted
Surface Finish Zinc Plated/Black Oxide
Standards ISO 4762/ISO 4026
Applications Electronics, PCB Assembly, Machinery
Package Quantity 100pcs - 1000pcs per set
question:Do you provide technical selection services?
answer:Yes, we offer comprehensive technical selection support.
question:Do you accept payment after delivery?
answer:Flexible payment terms are available upon discussion.
question:What are your standard payment terms?
answer:Typically 30% deposit, 70% balance before shipment.
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 provide technical selection services?
answer:Yes, we offer comprehensive technical selection support.
question:Do you accept payment after delivery?
answer:Flexible payment terms are available upon discussion.
question:What are your standard payment terms?
answer:Typically 30% deposit, 70% balance before shipment.
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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