Buy Box/Tubular Spanners Online in Australia
Box / Tubular Spanner Selection — Quick Reference
Box spanners (tubular spanners / basin wrenches) = HOLLOW TUBE wrenches with HEX SOCKET pressed into each end, driven by TOMMY BAR through tube holes. Reach deep recessed fasteners + light + portable + automotive + machinery service.
| Box Spanner Type | Best For |
|---|---|
| Standard Box Spanner | Deep recessed nuts + dust caps |
| Long-Reach Box Spanner | Very deep access — engine bay + machinery |
| Metric Set (8-32mm) | AU + EU workshop |
| Imperial Set | US-origin equipment |
| Tommy Bar (T-Handle) | Drive bar — match length to leverage needed |
| Spark Plug Socket (Specific) | Spark plug removal — rubber insert |
Critical: Box spanners = LOW TORQUE applications. For high-torque use socket + ratchet. Tommy bar leverage = limited. Don't replace with pliers or improvised tools — damages soft fastener. Brands: Maxigear, Sutton Tools. Companion: spanners, sockets, hand tools.
Box spanners (also called tubular spanners or basin wrenches) are hollow tube wrenches with a hex socket pressed into each end, driven by a tommy bar that passes through holes in the tube. They reach hex fasteners and nuts in recessed positions a normal spanner or socket can't — the classic case is the back-nut on a basin or sink tap, often buried behind splashbacks and inside cupboards.
Common uses
- Plumbing — tap connections, basin and bath waste nuts, toilet cistern fixings.
- Spark plug removal where a dedicated plug socket won't fit.
- Long-reach work into deep recesses on machinery and equipment.
Buy sized to the fasteners you actually meet. For plumbing, the workshop standard kit covers the common imperial and metric sizes you'll find on Australian taps and waste fittings.
People Also Ask — Box/Tubular Spanners
Q: What's a box (tubular) spanner actually for?
Box spanners are hollow tube wrenches with a hex socket pressed into each end, driven by a tommy bar that passes through holes in the tube. They reach hex fasteners and nuts in recessed positions a normal spanner or socket can't — the classic case is the back-nut on a basin or sink tap, often buried behind splashbacks and inside cupboards.
Q: Why can't I use a box spanner for high-torque work?
Box spanners are a low-torque tool — the tommy bar gives limited leverage compared to a socket and ratchet. For high-torque applications, use a socket and ratchet instead; forcing a box spanner beyond its intended torque range risks damaging the fastener or the tool.
Q: What sizes do box spanner sets come in?
Metric sets typically cover 8-32mm for Australian and European workshop use, while imperial sets cover US-origin equipment. Buy sized to the fasteners you actually meet — for plumbing, a workshop-standard kit covering common imperial and metric sizes handles most Australian taps and waste fittings.
Q: Why is a box spanner sometimes the right tool for spark plug removal?
A dedicated spark plug box spanner has a rubber insert built into the socket end, letting it grip and remove the plug where a standard plug socket won't fit or where reach into the engine bay is restricted.
Q: What's a long-reach box spanner for?
Long-reach box spanners are built for very deep access into engine bays and machinery — work into deep recesses on machinery and equipment where even a standard-length box spanner won't reach the fastener.