SPAX Wirox Washer Head Screw 5.0 x 77mm - Silver
Corrosion protected construction screws suitable for battens and squared timbers. Secure connectio...Corrosion protected construction screws suitable for battens and squared timbers. Secure connection with high load bearing capacity. 4CUT point ensures exact screw positioning, reduces splitting and reduces screwing-in torque required. T-STAR plus bit recess gives a secure fit and better driving. Partially threaded. No pre-drilling required. If you're working with battens and squared timbers, these SPAX washer head screws are just the job. Offering a secure connection with a high load bearing capacity, the screws are strong and durable. The screw head is specially designed for use with T-STAR Plus bits for a more secure fit - this means quicker, firmer and more efficient driving with no annoying bit slips. A 4CUT point ensures exact screw positioning, reduces splitting and lowers the screwing-in torque required.* Construction screws suitable for battens and squared timbers* Secure connection with high load bearing capacity* T-STAR Plus drive - optimum bit position in screw head* Firmer and faster driving - no more bit slips* 4CUT point ensures exact screw positioning* Reduces splitting and lowers screwing-in torque required* Partially threaded - no pre-drilling required* WIROX coating for excellent corrosion protection Spax Wirox T-STAR Washer Head Screw 5.0 x 77mm (150 Pk) in Silver The SPAX-typical T-STAR plus drive is a so-called Torx socket. This shape increases the attack surface in our T-STAR plus, and the T-STAR plus bits fit optimally in the screw head. The best possible power transfer from screwdriver to screw by T-STAR plus enables a fast working, and much more efficient than with all other drives.The screws with partial thread are extremely suitable for attaching thin components such as wood material plates, boards or boards to thicker components such as square timber or beams. The short thread screws into the thick component; the thread-free shaft remains in the attachment part. This gives rise to the maximum contact pressure between the two. The thread-free part should be at least equal to the thickness of the attachment part.The term 4CUT stands for the square shape of the screw tip. These edges supplant the wooden fibers during insertion and creates space for the core diameter of the screw. This reduces the spread pressure exerted by the Kern in the wood and prevents the wood from springing up close to the edges. The necessary torque of the cordless screwdriver is also reduced, because the Kern of the screw does not have to "squeeze" itself into the wood.With WIROX, SPAX has developed a coating that is far superior to zinc plating in terms of corrosion protection. With WIROX no chrome (VI) is used, the screws can be loaded just as well after years in the not directly weathered external area as well as environmentally friendly. WIROX screws are the first choice for all open buildings without direct weathering such as carports or pergoles, for direct weather stresses as with terraces we recommend our screws in the stainless steel version.This text is machine translated. These new Spax washer head timber screws have an optimised partial thread and have been specially developed for use in timber construction and interior work. Subject to applicable national building regulations, they are particularly suitable for fixing facades, roofs, stairs, main batterns, counter battens and timber construction elements. The large Spax washer head pulls two components together with great force for joints that hold securely and reliably, while the optimised partial thread enables the overall screw length to be reduced. These two features combined mean that smaller screws can be used and less time is needed to drive them in. These screws have T-Star Plus heads which feature an additional centre hole for an extra secure fit and reliable driving performance with a Spax T-Star Plus screwdriver bit. Specifications • Diameter: 5mm • Length: 77mm • Pack QTY: 150 Features and Benefits • Flush countersunk fit of washer heads enables additional elements to be fixed seamlessly on top of the screwed-down surface • Flat and large washer head: high contact pressure and tensile force • T-Star Plus heads for extra secure driving with a Spax T-Star Plus screwdriver bit • Shank lengths tailored to the most popular wood thicknesses • Optimised partial thread matched to the high load capacity of the washer head • Ground serrations for quick fixing without pre-drilling (depending on type of wood) • 4CUT point cuts through wood fibres and reduces splitting • Wirox • Chrome (VI) free
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