Suki Oval-Head Chipboard Screws have a countersunk oval-head and are designed specifically to use for particle boards, MDF and timber These are self-tapping screws, thus do not require any holes to be bored first Made of steel, these screws have a zinc passivation coating which gives it a distinctive yellow patina, and increases the screw’s corrosion resistance properties No pilot hole required Ideal to use for carpentry, flooring & wood works. Nickel plated Use PZ3 screwdriver