C2 Multi-Purpose Advanced Screws - PZ - Double Countersunk - Yellow 4.5 x 50

... - Manufacturers part numbers: 45050C2|814KG

• Dual angle thread gives an ultimate performance and an exceptionally high pull-out resistance
• Coated with a high-molecular polymer lubricant that reduces the insertion torque by up to 52% and increases rust protection up to 20 times longer than a standard zinc plating
• Ribs under head for improved countersinking and to give a smooth and flush finish, also prevents splitting and material damage
• Deep recess to prevent 'cam-out', giving a precise and positive drive control on every screw