HECO expands wood screws range with combined hex head

HECO is expanding its range of wood screws with the tried-and-tested TOPIX screws which are now also available with a combined hexagon head.

The screw head combines the T-Drive with a classic external hexagon, so users can work with the new wood screws in a particularly versatile way – with open-ended and ring spanners as well as with bits. The move is expected to open up more potential uses in the field of timber construction. HECO new wood screws

The screws, which are made of hardened, blue zinc-plated steel, are used everywhere that countersunk head screws cannot be used – in the field of timber construction, for example, where steel sheet and wood connections are commonplace. Joist hangers are installed with the new screws just as reliably and quickly as tension anchors or transport hooks.

Part-threaded and full-threaded versions

The new TOPIX variants are available with diameters of eight and 10 mm. The versions with a screw length of up to 100 mm have a full thread with a stronger shaft for improved bearing resistance – which is ideal for steel sheet-wood connections. The longer versions measuring from 120 mm up to a maximum of 400 mm are designed as part-threaded screws with a maximum thread length of 100 mm.

The TOPIX screws can be positioned without any need for pre-drilling. The high thread pitch makes for particularly quick driving. Additional cutting ribs on the tip of the screws reduce the risk of splitting as the screws are driven in, so they can also be used close to edges or in slimline components. In connection with the thread, the part-threaded version has special shank ribs for stress-free and easy applications with low driving torques.

ETA-rated screws

The European Technical Assessment ETA-11/0284, which includes the entire HECO-TOPIX product range and applies to the new variants too, offers maximum certainty when planning and calculating fastenings, said HECO.


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