This one piece fire-proof metal fastener has a self-tapping helical shank with work-hardened blades that cut into a wide range of masonry and timber substrates. They are suitable for use with all types of insulated drywall boards. They can be used in conjunction with 'dot and dab’ adhesive (3 per board) or in place of it (12 per board).

Lengths: 65, 85, 105, 125 or 145mm

Quantities: Pack of 20 or Box of 400