Solo Yellow Double C/S Chipboard Screws 4mm x 40mm Pack of 200
A single thread woodscrew mainly used in various types of timber and man-made boards or into masonry with the use of a plastic plug.
Double countersunk reduces the likelihood of head shear and assists completion of countersinking
Wax lubricated to enhance screw insertion time, extra driving torque and resistance to corrosion
40 diameter deep single thread to provide a secure fixing with high pull-out resistance
25 diameter sharp point and single lead for a fast start and improved thread acceptance
All sizes up to and including 75mm are fully threaded and lengths 80mm and above all have 70mm thread length