The Hobson Engineering X2 Dome Screw Bolt is a high-quality carbon steel concrete fixing. With a thread size of M10 and an embedment depth of 50mm, it is perfect for securing fixtures and fittings to concrete surfaces. The Torx T50 drive type ensures a secure fit, while the galvanised finish offers excellent corrosion protection. This screw bolt anchor has a dome head style, a low tensile class 5.8 grade, and a minimum edge distance of 45mm. It has a length of 100mm and a head diameter of 22.00mm. Also known as Xbolt or Thunderbolt, it is compatible with a minimum hole diameter on the fixture of 12mm and a drill hole size of 10mm. Free shipping is included with this brand new product.