High performance 8.0mm x 50mm countersunk pozi screw for fixing insulation to joists, roof decking, roofing boards and roofing batten.
- Heavy-duty timber and deck Joist Screw replaces traditional coach screws or coach bolts.
- Pozi, Reinforced Double Countersunk Head – Reduces head breakage and assists countersinking.
- Self - Countersinking Ribs – For improved countersinking and a flush finish.
- Waxed zinc and Yellow Passivated Finish – Corrosion resistant and significantly reduces torque.
- Milling Tread – Reduces torque, prevents splitting and torque.