SPAX timber construction screws are designed and manufactured to the highest quality for specific applications such as commercial framing, mass timber connections (CLT, LVL and Glulam), facades, boardwalks and outdoor construction. They are available in various types including washer head, countersunk, cylinder head, full thread and partial thread to suit many applications. Supported by extensive technical data and personal engineering support, they are the ideal screw for specification by engineers and architects.