General description The ForgeFix Spectre Screws are advanced multipurpose wood screws designed for a variety of applications. They feature double countersunk heads and a pozi compatible recess, making them suitable for different fastening needs. With a sawtooth thread design, these screws help prevent wood splitting, while a reamer feature minimizes jacking during installation. The screws are finished with a zinc yellow passivation for enhanced corrosion resistance and an aesthetically pleasing appearance. Technical specifications Size: 4.0 x 70 mm Thread length: 42 mm Pack Quantity: Box of 500 Fully threaded up to 50 mm Type 17 slash point for quick start Other information MPN: SPE470YB EAN: 5028485190684 CE approved for use in load-bearing timber construction