This pack of T-star drive recess mixed heads chipboard screws are constructed from a durable steel, 60mm in length and come twin thread. They have two threads allows the deck-board and joist to pull together tight and come hard synthetic coating. They're ideal for a range of DIY applications. Spax CSK-T floor screws are ideal for fixing MDF or chipboard flooring. The screws are designed with serrations that grip firmly into the wood with a quick, secure fastening. These star headed screws also have an added drill bit that allows for extra hold. WIROX screws are perfect for internal or external use due to their anti-corrosive properties. Introducing the Spax T-Star Plus T20 Flooring Screws, the ultimate solution for your chipboard flooring needs. Packaged in a convenient tub of 300 screws, these flat countersunk head screws are designed for superior performance and durability. Perfect for both DIY enthusiasts and professional contractors, these screws offer exceptional corrosion protection and resistance to mechanical stress, ensuring a long-lasting and secure installation. What sets these screws apart is their array of advanced features designed to make your flooring projects smoother and more efficient. The innovative 4CUT point ensures precise screw positioning and minimises splitting, while the serrations reduce the torque required for screwing in. The fixing thread securely holds the floorboard in place, effectively minimising creaking and enhancing stability. With a T-STAR plus (T20) bit recess and an included bit, these screws easily countersink for a flush finish. Features & Benefits: Designed for chipboard flooring. Superior corrosion protection with WIROX coating. Flat countersunk head. No pre-drilling required. 4CUT point for exact positioning and reduced splitting. Serrations reduce screwing-in torque. Fixing thread minimises creaking and holds floorboard in place. T-STAR plus (T20) bit recess. Bit included. Colour: Silver Pack of 300 screws. Size: 4.5 x 60mm