Securlec Machine Screws – Zinc Plated M4 x 25mm | Pack of 2
Compact, Corrosion-Resistant Screws for Electrical Fixtures and Light-Duty Fastening
The Securlec M4 x 25mm Machine Screws are high-quality fixings designed for reliable performance in a variety of light-duty applications. With a standard M4 thread diameter and 25mm length, these screws are ideal for securely attaching electrical accessories such as faceplates, switches, and sockets to flush or surface-mounted back boxes.
Manufactured from robust steel and finished with a zinc-plated (ZP) coating, these screws offer enhanced resistance to corrosion and are especially suited for indoor electrical installations in kitchens, utility rooms, garages, and commercial spaces. Each pack includes 2 precision-machined screws, perfect for small tasks, replacements, or keeping as spares.
Product Overview
Product Type: Machine Screws
Thread Size: M4 (4mm diameter)
Length: 25mm
Material: Steel
Finish: Zinc Plated (ZP) for corrosion resistance
Thread Type: Metric coarse
Pack Quantity: 2 screws
Boxed Dimensions:
Width: 12.5cm
Height: 15.0cm
Depth: 1.0cm
Boxed Weight: 10g
Typical Head Type: Slotted or Phillips (not specified)
Typical Drive Type: Flathead or crosshead screwdriver (depending on head style)
Key Features
Compact and Versatile Size
The 25mm length provides sufficient depth for standard UK back boxes, allowing secure mounting of faceplates and electrical accessories without excess protrusion.
Zinc-Plated Protection
The zinc plating enhances durability by preventing rust and corrosion, making these screws a dependable choice for most indoor environments.
Precision Threading
The M4 coarse thread ensures a tight, stable hold in threaded holes, making installation efficient and long-lasting.
Professional-Grade Construction
Machined for consistent performance, these screws are suitable for both professional electricians and DIY users performing home installations or repairs.
Typical Applications
Fixing faceplates for sockets and switches to metal or plastic back boxes
Mounting electrical modules and front plates
Replacing lost or damaged back box screws
Suitable for use in lighting fixtures, junction boxes, and appliance housings
Ideal for flush and surface mount installations
Installation Tips
Thread Cleanliness: Ensure receiving threads are clean and free from debris or paint for a smooth fit.
Avoid Cross-Threading: Always align properly before tightening.
Use Correct Tool: Use a compatible screwdriver (flat or crosshead) depending on screw head design.
Hand Tighten First: Begin by hand-tightening to avoid misalignment, then secure with a tool.
Avoid Over-Tightening: Excess torque may strip threads or damage soft materials.
Frequently Asked Questions (FAQs)
Q1: Are these screws compatible with standard UK electrical back boxes?
A: Yes, M4 x 25mm is a common size for fixing electrical faceplates to UK-standard back boxes.
Q2: Can they be used in damp or humid areas?
A: Yes, for indoor use in slightly humid environments (e.g., kitchens or utility rooms), the zinc coating provides basic corrosion protection. For fully outdoor use, consider stainless steel alternatives.
Q3: What tools do I need for installation?
A: A screwdriver matching the screw head type (typically Phillips or slotted) is recommended.
Q4: Are these screws reusable?
A: Yes. As long as the threads remain undamaged, these screws can be reused for future installations.
Q5: What if I need a longer or shorter screw?
A: Securlec offers a variety of lengths (e.g., 20mm, 30mm, 40mm) to suit different installation depths and requirements.
Why Choose Securlec M4 x 25mm Machine Screws?
Securlec Machine Screws are trusted by electricians, contractors, and homeowners for delivering secure, precise, and corrosion-resistant fastening in electrical installations. The M4 x 25mm size is a practical and widely used option that ensures a snug fit without excess length—ideal for both flush-mounted and surface-mounted accessories.
Reliable, easy to install, and built to last—Securlec is the professional’s choice for quality fixings.
