Classic Pozi Countersunk Wood Screws - 3.5 x 25mm - Black Passivated - Pack of 200 - Carbon Steel

Multi-purpose classic pozi wood screws with a black passivated finish, ideal for use with black ironmongery
Specially designed to perform efficiently in hardwood, softwood, chipboard, MDF, plastic and thin sheet metal
Exterior use - corrosion resistant coating to withstand over 1,000 hours salt spray
Double countersunk reduces the likelihood of head shear and assists completion of countersinking
Fully threaded
Patented lubrication, designed to enhance screw insertion time and provides greater resistance to corrosion
25° sharp point for easy penetration
40° deep single thread provides secure fixing with high pull-out resistance
Surface hardened up to 750 HV to prevent torque under load and a core hardness of up to 450 HV for improved ductility
CE approved