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Choosing the right nails, clips and cable accessories might sound boring, but trust me — it makes a world of difference. Whether you’re tidying up loose wiring, finishing a skirting board, or fitting trunking for a tidy installation, the right fixings keep things secure, look professional, and save time down the road. I’ll walk you through the most useful products, like dovetail cable hangers, capping nails, conduit clips and rollatrays, explain what sizes actually mean in real life, and share practical tips so your next project goes smoothly.
Before we dive into specific items, it helps to group the products by function. You’ll run into cable hangers and clips, finishing and capping nails, trunking and conduit clips, support brackets and rollatrays. Each group solves a slightly different problem: hangers support cable runs, clips anchor individual cables, capping nails secure finishing trims, and rollatrays or trunking carry bundles neatly. Once you match the category to the task, picking the right size and material becomes a whole lot easier.
Cable hangers are the backbone of neat cable routing. They hold bundles, stop sagging and make inspect-and-repair jobs quick. If you’re running heavier data or power cables along ceilings or walls, a robust hanger is essential.
This dovetail-style hanger is great for small to medium cable bundles that measure around 0.67 to 0.87 inches across. The dovetail geometry locks into trunking or rails nicely, so installations stay tidy and cables don’t slip. They’re usually sold in packs that make bulk jobs economical and fast.
Single-round cable clips are tiny but mighty. If you’ve got individual power or data round cables that are approximately 0.35 inches in diameter, these clips anchor them to skirtings or wood without crushing the insulation. They’re ideal for neat runs along skirting boards or behind furniture.
When finishing a job, small nails do the heavy lifting — holding trims, caps and small mouldings in place while adhesives set, or as the primary fixing in thinner materials.
These capping nails are roughly 0.20 inches thick and just under 1.0 inch long, perfect for securing capping strips and lightweight trims. Their size is large enough to grip but small enough to avoid splitting delicate materials.
If you need a little extra bite, the 1.38-inch length offers deeper penetration for thicker trims or when you’re nailing into softwood studs. You get the same thin shank for a discreet finish but more holding power.
Nails around 0.47 inches long are useful for light fixings where a short penetration is needed — think attaching small clips or thin metal fittings to thin panels. They’re ideal for jobs that require a flush finish without the nail tip protruding through the other side.
Conduit and trunking clips secure larger channels and conduit runs to walls or structural elements. They must match the conduit/trunking size and the load expected — and yes, there’s a right clip for almost every typical profile.
These conduit clips fit conduit roughly 0.98 inches in diameter. They’re molded for a neat fit and usually available in grey to match standard conduit finishes. Use them at regular intervals along the run to prevent sagging and to keep conduits aligned with corners and fittings.
When you’re joining or bending trunking at internal corners, a molded clip-on internal angle provides a clean, tool-free way of keeping trunking sections aligned. The 3.94 by 1.97 inch trunking profile is common for medium-duty routing of multiple cables in offices or workshops.
Unitrunk hanger brackets with a roughly 0.39 inch mounting hole and a plate around 6.50 by 4.53 inches provide a strong anchor for heavier trunking or multiple-conduit supports. The larger plate spreads load and prevents twisting — useful when you’re suspending long lengths from ceilings or structural members.
For long pulls, cable rods and roll trays are lifesavers. They make pulling long cables through walls, ducts or ceilings faster and reduce damage risk.
A 0.24 inch diameter cable rod is flexible enough to snake through conduit runs yet stiff enough to push cable through bends. Glow or brightly colored rods are easier to see when retrieving and work well in dim spaces.
Rollatrays that come on a 49.2-foot roll and are about 17.7 inches wide are perfect for routing large bundles across ceilings or mezzanine runs. They speed up installation and make maintenance simpler because the tray keeps cable bundles organized and accessible.
Picking a size is less abstract when you visualize the cable or trim in your hand. Need a quick rule of thumb? For individual round cables, measure the cable’s diameter and match a clip with a slightly larger inner diameter to avoid compression. For trunking, measure the internal width you’ll need for current and future cable capacity. And for nails, choose a length that gives at least half an inch of penetration into the substrate for light fixings — more if you’re securing into studs.
Material choice affects longevity. Nylon clips and plastic hangers resist corrosion and are electrically insulating — great for household and indoor installations. Metal brackets and galvanized clips provide extra strength and weather resistance for outdoor or industrial settings. If you expect moisture, go for stainless or galvanized finishes and consider a protective washer when fixing to dissimilar metals.
Some pro tips I use that help every time: pre-drill holes for larger nails to avoid splitting, use a cable pull lubricant for long runs, space clips at regular intervals (every 3 to 4 feet for single cables, less for heavier bundles), and always test-fit trunking and clips before applying adhesives. A small level and measuring tape marked in inches will become your best friends.
Beyond nails and clips, keep a few extras on hand: cable ties for bundle management, adhesive-backed clips for temporary runs, a hammer or nail gun for capping nails, screws and wall plugs sized to the bracket holes, and protective grommets for conduit entries. These small items fast-track any tidy installation and prevent improvised fixes that don’t last.
When you’re comparing products, look beyond price per pack. Consider pack size, material, mounting hole size, and whether the product matches standard trunking or conduit sizes you’re using. A slightly higher upfront cost for stainless or UV-stable plastic can save you replacement costs later. Also check whether items are sold in bulk packs — tradespeople often save big on packs of 100 or more.
Many DIYers and even pros trip up on a few repeatable mistakes: choosing clips that are too tight and damage cables, underestimating the need for expansion space inside trunking, and placing supports too far apart. Avoid these by measuring first, visualizing a future-proof layout with room for one or two extra cables, and using the right clip type for the job (e.g., conduit clip for conduit, cable clip for single round cables).
Before you wrap a job, run through a quick checklist: are all cables secured every few feet? Are nails and clips flush and not crushing insulation? Have you used corrosion-resistant fixings where needed? Does trunking have expansion gaps where required? If you tick all these boxes, your installation will look neat and last long.
It’s surprising how much of a difference the correct nail, clip or hanger can make. Small fixes lead to professional-looking results and save maintenance time later. Whether you’re picking a dovetail hanger for a medium cable bundle, a 0.98 inch conduit clip, or 1.38 inch capping nails for thicker trims, matching size and material to the job is the key. With the right basics on hand, most wiring and finishing jobs become far less painful — and a lot more satisfying.
Conclusion: Equip yourself with the right mix of clips, hangers, nails and tray solutions, and you’ll find installations are faster, cleaner and more durable. Measure first, choose materials suited to the environment, and use the spacing and fastening tips above to get professional results every time.
