Description
Overview:
The Mason Mate Rubber Anchor Nut (M5 x 25) is a black rubber expansion fastener designed to give a secure hold in a wide range of materials. It features a metal threaded insert for M5 screws and a 25 mm long rubber body that expands as the screw is tightened, gripping the walls of the hole and conforming to uneven or hollow cavities. This makes it useful for fixing accessories and panels on construction and garden machinery, site equipment, and general fabrication. The rubber body helps isolate vibration and reduces the risk of damage to painted or delicate surfaces. Suitable for light to medium duty attachments where access may be from one side only, it is sold individually so you can buy exactly the quantity required.
Key Features:
- M5 internal thread for standard 5 mm machine screws and bolts
- 25 mm rubber body expands for a firm, reliable hold in cavities and irregular holes
- Durable black rubber provides vibration damping and helps seal against dust and moisture
- Metal threaded insert offers good corrosion resistance and consistent clamping force
- Blind fixing capability - fit from one side where rear access is limited
- Non-marring; kinder to painted panels, plastics, and thin sheet materials
- Straightforward installation and removal using common hand tools
- Suitable for concrete, brick, sheet metal, plastics, and composites (light to medium duty)
- Ideal for machinery guards, covers, brackets, lights, and accessories
- Sold individually; available range typically spans M4 x 11 to M12 x 75 for other needs
Typical Applications:
Securing panels, guards, instrument housings, control boxes, light fittings, clips, and small brackets on construction tools, garden machinery, and site equipment. Useful for repairs and additions to thin sheet, hollow sections, and pre-drilled holes in concrete or brick where a compliant, vibration-damping fixing is preferred.
Also known as:
Rubber nut, expansion nut, cavity nut, well nut, blind rubber nut, rawl nut style fastener, rubber insert nut, vibration-damping nut.
Product Specifications
| L&S Part No. | 903 2393 |
|---|---|
| Manufacturer | Masonmate |
| OEM No. | 903 2393 50PK |
| Unit of Sale | Each |
| Key Features | - M5 internal thread fits standard 5 mm screws - 25 mm rubber body expands for secure hold - Metal insert provides corrosion resistance - Suitable for blind fixing in limited access - Vibration damping protects delicate surfaces |
