Countersunk Pozi Joist Screws For Insulation Fixing 6.0mm x 180mm Box/Bag of 100

• High performance 6.0mm x 180mm 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.
• Serrated Thread - Cuts into wood reducing splitting and torque.
• Type 17 Cut Point – Reduces splitting and the requirement for pre-drilling.
• Each box/bag comes complete with FREE pozi bit.