Timco Light Duty Nylon Hammer Fixings - 6 x 40mm (135 Pack) (60040HFB) These light-duty nylon hammer fixings are great for securing timber to a variety of masonry substrates including concrete, brick and block. Countersunk head results in a flush finish. Made from Carbon Steel and coated in a Zinc finish. Strong collar to support the drive nail. Suitable for clean & dry environments. Driver Bit Size: PZ2 Plug Size: 6 x 40mm Screw Size: 3.5 x 40mm Small Boxes Large Boxes 6 x 40mm (10 Pack) 6 x 40mm (135 Pack) 6 x 60mm (10 Pack) 6 x 60mm (100 Pack) 6 x 80mm (10 Pack) 6 x 80mm (80 Pack) 8 x 100mm (8 Pack) 8 x 100mm (40 Pack)