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Home Product M2.5*3.5*4 Micro Screw, FastenMaster MX Series, High-Torque, PCB, UAV Components
Carbon steel thin head screws M2.5*3.5*4

M2.5*3.5*4 Micro Screw, FastenMaster MX Series, High-Torque, PCB, UAV Components

M2.5x3.5x4 Screw
M2.5 Micro Fastener
3.5mm Precision Connector
M2.5*3.5*4
M2.5x3.5x4 Screw, precision-engineered M2.5 Micro Fastener with 3.5mm threaded shank for compact assemblies. This 4mm-length 3.5mm Precision Connector features durable corrosion-resistant construction, optimized for electronics, medical devices, and miniature mechanical systems requiring reliable micro-scale fastening solutions.
Categories:Fasteners & Fixings
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Product Description

The M2.5x3.5x4 Screw is a compact M2.5 Micro Fastener designed for precision applications, featuring a 3.5mm head diameter and 4mm threaded length. Integrated with a 3.5mm Precision Connector, it supports direct mounting for modular components in high-density assemblies. Operating within a voltage range of 3.3-5V DC and temperature tolerance of -20°C to +85°C, it is ideal for robotics, microelectronics, and IoT devices requiring reliable connections in confined spaces. The screw’s corrosion-resistant alloy construction ensures durability in harsh environments, while its ultra-low profile minimizes spatial interference. Limited to short-range signal transmission (≤2cm) in embedded systems, its primary drawback lies in reduced torque tolerance due to miniature sizing. No integrated battery or display features.
Parameter Specification
Product Model M2.5x3.5x4 Screw
Thread Size M2.5
Total Length 4.0mm
Shank Diameter 3.5mm Precision Connector
Head Type Flange Head
Drive Type Phillips #0
Material Grade Stainless Steel A2-70
Surface Treatment Electro-Zinc Plated
Tensile Strength 700MPa
Application M2.5 Micro Fastener for PCB Assembly
question:Why should we purchase from you?
answer:As Asia's leading industrial automation supplier for 20 years, we guarantee reliable quality and 85% repeat customers.
question:Can shipments be declared as low-value?
answer:Low-value declaration is possible in some countries, subject to local regulations. We never proactively advise this.
question:Why are product labels removed upon delivery?
answer:Labels are removed by manufacturers to prevent cross-region sales. Quality remains unaffected—contact support if needed.
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 should we purchase from you?
answer:As Asia's leading industrial automation supplier for 20 years, we guarantee reliable quality and 85% repeat customers.
question:Can shipments be declared as low-value?
answer:Low-value declaration is possible in some countries, subject to local regulations. We never proactively advise this.
question:Why are product labels removed upon delivery?
answer:Labels are removed by manufacturers to prevent cross-region sales. Quality remains unaffected—contact support if needed.
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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