Rik TWSR037 Woodscrew Twin-Thread CSK BZP 10 x 4in 100pk. - C1022 Plating: BZP. The Rik Twin Threaded CSK Woodscrews are case hardened with pozi drive recess heads. These screws are versatile and can be used in a wide range of timber materials such as chipboard, MDF, softwood and hardwood.
