General description XR Gold Professional Wood Screws are high-quality internal wood screws designed for a variety of timber applications. Made from hardened steel, these screws are available in a range of sizes and feature a standard pozi, deep recess head for quick and smooth installation. Technical specifications Size: 4.5 x 70 mm Material: C1022 heat-treated hardened steel Head type: Deep recess pozi head Coating: Yellow passivated (Gold) Thread type: Coarse thread Double countersunk design High shear strength: M3.0 = 3.0KN, M3.5 = 4.0KN, M4.0 = 5.0KN, M4.5 = 6.0KN, M5.0 = 7.0KN, M6.0 = 10.0KN Sizes available: M3.0 x 16mm to M6.0 x 130mm Usage Suitable for hardwood, softwood, MDF, plywood, chipboard, and composite materials. Designed for close-to-edge fixing with significantly reduced splitting in timber. Lubricated coating for ease of entry into timber. Other information All XR screws are CE rated EN:14592. All M3.0 screws use Pozi No.1 bit, M3.5 - M5.0 use Pozi No.2 bit, and M6.0