D-Line Screw D-Fixing Fire Rated 40mm Metal Countersunk 8.3mm

D-Fixing screws are fire-rated, with close threads for high performance. Ideal for securing D-Line Safe-D ranges, and other electrical installation equipment, D-Fixings can be used in masonry, plasterboard / breeze-block, concrete, brickwork and wood. Certified to hold Safe-D Clips and cable loads up to 970°C for 2 hours, while withstanding stress vibrations and water sprays also… in fire tests the D-Fixing screw threads remain securely embedded with no need for anchors or plastic wall plugs. Supplied in bag of 100pcs · · · Compliant with BS7671 and BS5839-1 requirements · · 40mm length x 5.1mm thread width… fits 4mm pilot hole in brick (may vary for different substrates) · · >1200°C melting point · · Non-corrosive finish · · No need for plastic wall plugs · · Use with D-Line 4mm SDS drill bit · · Excellent tensile strength, shear strength and pull-out load performance · · Supplied bagged in quantity of 100 pcs