5.5 x 25mm TEK Screw & Bonded Washer, Box Cladfix, Roof Tek Fixings ASF17G16
Single Skin – Self-drilling Hex Head Tek Screws With Washer
· 5.5x25mm pack of 100 screws (5.5 thread diameter and 25mm long)
· For fixing profile metal, cladding single skin or insulation to cold rolled, rails and purlins 1.2-5.3mm thick
· Hexagon head 5/16 across flats
· Super-fast drilling speed (self-drill)
· Excellent pullout in thin materials
· Extra thick deposit of zinc ensures resistance
· Manufactured from carbon steel heat treated and zinc plated to 12 microns
· With G16 washers
(ASF17G16)
