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RS PRO Bright Zinc Steel Pan Head Sems Screw, 16mm M4, Spring Washer, Pozidriv, BS 4183/DIN 127B 279-199
Specifications
| Country of Origin | Taiwan |
|---|---|
| Brand | RS PRO |
| Material | Steel |
| Length | 16mm |
| Model | 279-199 |
| Finish | Bright Zinc |
| Drive Type | Pozidriv |
| Thread Pitch | 0.7 mm |
| Thread Size | M4 |
| Head Shape | Pan |
| Washer type | Spring |
| Standards/Approvals | BS 4183/DIN 127B |
Key Features
- Constructed using bright zinc-plated steel for superior corrosion protection.
- Features a pan head with Pozidriv drive for reliable installation.
- Integral captive spring washer ensures secure fastening and reduces component loss.
- Compliant with BS 4183 and DIN 127B standards for consistent quality.
- M4 coarse metric thread, 0.7 mm pitch for precise fitment.
- Ideal for electrical connector assemblies and PCB fastening in industrial, avionics, and control systems.
- Enables reduced inventory count and faster assembly compared to separate screws and washers.
- Manufactured in Taiwan, ensuring robust engineering and quality control.
Product Description
The RS PRO 279-199 is a bright zinc-plated steel pan head Sems screw featuring a captive spring washer and Pozidriv drive, designed to streamline assembly tasks and improve overall fastening reliability in demanding environments. With a length of 16mm and M4 thread size, this fastener is particularly suitable for component assemblies in electronic devices, control panels, and industrial sub-systems.
The robust steel construction with bright zinc plating offers enhanced corrosion resistance, making it ideal for both indoor and outdoor projects. The pan head provides a broad surface for secure mating against materials, while the Pozidriv drive type facilitates efficient torque application and ease of use with compatible tools.
Integrated with a permanent spring washer, the screw eliminates the need for separate washer handling, reducing the risk of lost parts and enabling quicker, more reliable installation. This one-piece design minimizes inventory requirements and accelerates production throughput in repetitive assembly tasks.
Conforming to international BS 4183 and DIN 127B standards, the RS PRO Sems screw is validated for performance consistency, ensuring compatibility and safety across regulated applications. The M4 thread with a coarse pitch of 0.7mm adapts readily to standard nut plates and connector systems, making it suitable for electrical connector assembly, PCB installation, drone sub-assembly, and avionics equipment integration.
Its applications extend to flight control systems, battery packs, infra-red camera systems, ground and naval fire control units, and other industrial domains where efficient, shake-proof fastening is required. The screw’s design supports maintenance and reliability, contributing to longer product service life.
Manufactured in Taiwan with rigorous quality assurance processes, this fastener embodies RS PRO’s commitment to robust engineering standards and high-value industrial solutions. For more specialized fasteners and industrial supplies, explore RS PRO’s comprehensive range in Machine Screws and Industrial Fasteners on EnvMart.
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Frequently Asked Questions
It features an M4 thread size with a 0.7 mm pitch.
The screw is designed with a Pozidriv drive type for efficient torque application.
It is constructed from steel with a bright zinc plating for enhanced corrosion resistance.
It conforms to BS 4183 and DIN 127B standards for consistent quality.
This unit features a pan head shape, providing a broad surface for secure mating against materials.
It includes a captive spring washer, ensuring secure fastening and reducing component loss.
This screw is manufactured in Taiwan, ensuring robust engineering and quality control.
It is ideal for electrical connector assemblies, PCB fastening, and various industrial applications.
The one-piece design minimizes inventory requirements and accelerates production throughput in repetitive assembly tasks.
The bright zinc finish provides superior corrosion protection, making it suitable for both indoor and outdoor projects.
Yes, it is designed for use in demanding environments such as avionics and control systems.
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