Anchor Conical Plastic - In Stock & Ready for Collection in Johannesburg
Shop plastic conical anchors in Johannesburg at Communica. Choice of sizes, local pickup, trade volumes & VAT invoicing. Trusted for electronics and building hardware.

Reliable Local Stock
Anchors available in-centre and via courier to greater Johannesburg.
Versatile Mounting
Suitable for brick, block, plasterboard, and light construction projects.
Expert Support
Selection advice, spec checks, and VAT invoices for trade and education.
Secure, Hassle-Free Mounting with Plastic Conical Anchors
Whether you're fixing shelves, electrical boxes, cabling routes or signage, a plastic conical anchor delivers reliable holding strength and quick installation. At Communica Johannesburg, we stock a range of anchor types and sizes suitable for everyday and specialist trades.
Plastic conical anchors (sometimes called wall plugs or expansion plugs) are designed to expand under screw insertion, gripping firmly in brick, plaster, hollow block and drywall substrates. For installers, DIYers, students, and engineers working in the Johannesburg area, having quality, locally stocked anchors reduces project downtime and ensures fit-for-purpose hardware.
When to Use Conical Plastic Anchors
- Mounting conduit clips, light fixtures, skirting boards, sensors, or brackets in masonry
- Fixing electrical back boxes and component enclosures to walls
- Securing shelving, cable runs, or prototyping rigs for education/tertiary projects
Common Anchor Sizes and Key Specs
| Anchor Size (mm) | Drill Hole (mm) | Screw Size | Typical Use |
|---|---|---|---|
| 5 x 25 | 5 | 3.5 - 4 | Light fixings, cable clips |
| 6 x 30 | 6 | 4 - 5 | Electronics boxes, small shelves |
| 8 x 40 | 8 | 5 - 6 | Medium wall-mounts |
Always check the packaging for recommended drill bit sizes and compatible screw dimensions. Our product detail pages and branch staff can assist with spec selection and application notes.
Why Source Plastic Anchors from Communica?
- Stock held in Johannesburg branch for quick pickup
- Volume pricing for trade, education, and projects
- Wide range: lengths, diameters, assorted kits
- VAT invoicing and account support for procurement teams
- Well-known brands and trusted generic alternatives
Our core inventory includes anchors suitable for both light and medium-duty mounting, from Shop by Category options in Tools & Supplies to specific accessory brands carried at Communica.
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Specification Callouts and Compatibility Tips
- Plastic conical anchors are widely compatible with woodscrews, chipboard screws, and electrical mounting screws of matching size
- Choose the correct anchor for wall composition: solid brick, concrete block, plasterboard (light loads only)
Always use a masonry drill bit matched to the anchor diameter, keep hole depth slightly longer than anchor, and clear debris for best grip. For hollow walls or where higher loads are present, consider toggles or chemical anchors, also available at Communica.
Example Application: Mounting a 1kg Junction Box
- Anchor size: 6 x 30mm
- Drill hole: 6mm to 35mm depth
- Screw: 4mm x 40mm woodscrew
- Estimated holding strength: 10-15kg in solid brick (consult anchor packaging)
Typical Johannesburg building stock-a mix of older solid brick and modern wallboard-requires flexible options. Discuss your project at our branch counters for local advice and bulk/education orders.
Related Brands and Accessory Groups
- Adafruit for mounting hardware in STEM kits
- Generic anchors suitable for a variety of DIY/Electronics use cases
- Explore Tools & Supplies for screwdrivers, drill bits, and electrical fasteners
Ready to Order or Collect?
- Visit our Johannesburg (CBD) branch or Samrand warehouse for walk-in purchasing
- Check stock online or by contacting the store
- Request VAT invoices and quantity discounts for business and education users
From single packs to bulk orders, Communica is Johannesburg's trusted source for mounting anchors, fixings, and reliable electronic hardware solutions-serving both hobbyist and commercial requirements.
Sources
Communica supplies semiconductors and electronic components to industries such as automotive, electrical, automation, mining, and education.
Disclaimer: This content is for educational purposes only. Product availability, pricing, and specifications are subject to change. Always verify current details on the retailer's website before making a purchase. We may earn affiliate commissions from qualifying purchases.
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