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Home Product M3x4x7 Lock Washer, Anti-Vibration Fastener for Automotive, Stainless Steel Spring Hardware
Carbon steel thin head screws M3*4*7

M3x4x7 Lock Washer, Anti-Vibration Fastener for Automotive, Stainless Steel Spring Hardware

M3 machine screws
M3x4x7 fasteners
M3 hex socket screws
M3*4*7
M3 machine screws, M3x4x7 fasteners with precision hex socket drive for secure assembly. Compact M3 hex socket screws designed for 4mm thread length and 7mm total shaft dimensions. Ideal for machinery, electronics, and industrial equipment requiring durable metric fasteners.
Categories:Fasteners & Fixings
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Product Description

The M3 machine screws (model M3x4x7 fasteners) are precision-engineered M3 hex socket screws designed for secure assembly in compact mechanical and electronic systems. Featuring a 4mm shaft length, 7mm total length, and M3 thread diameter, these screws provide reliable fastening for components requiring high torque resistance up to 0.6 Nm. Compatible with standard M3 threaded inserts and mounting plates, they operate in -30°C to +85°C environments, suitable for automotive, robotics, and industrial automation applications. The hex socket design allows tool compatibility with 2.5mm hex keys, enabling flush installations. While offering exceptional corrosion resistance (stainless steel A2/A4 grades), their small size requires careful handling during assembly. These screws typically secure PCB modules, sensor housings, or lightweight structural joints without electrical/communication functions, battery integration, or display components.
Parameter Specification
Thread Size M3 machine screws (Metric coarse thread)
Shank Length 4mm under-head measurement
Total Length 7mm including head
Head Type Hex socket (Allen) for M3 hex socket screws
Material Stainless steel A2/AISI 304
Surface Natural finish for M3x4x7 fasteners
Drive Type 2mm hex key compatible
Standards DIN 912, ISO 4762 compliant
Torque 1.2-1.5Nm max (steel-to-steel)
Applications Precision assembly with M3 machine screws, M3x4x7 fasteners in electronics
question:Can the company ensure a stable supply of products?
answer:Yes, we ensure stable supply through advanced production capabilities and strict quality control.
question:What shipping methods does the company support?
answer:We support DHL, Fedex, UPS, and other major international shipping methods.
question:Does the company have a professional product selection team?
answer:Yes, our expert team selects and optimizes products based on market trends and data analysis.
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 the company ensure a stable supply of products?
answer:Yes, we ensure stable supply through advanced production capabilities and strict quality control.
question:What shipping methods does the company support?
answer:We support DHL, Fedex, UPS, and other major international shipping methods.
question:Does the company have a professional product selection team?
answer:Yes, our expert team selects and optimizes products based on market trends and data analysis.
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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