With the Spax 1191010450355 chipboard screw, you achieve strong timber joints with complete control and precision. The t-star plus T20 recess delivers direct torque transfer and prevents bit slippage while driving. Thanks to the full thread design over 35 mm, you get high pull-out resistance, making it ideal for connecting sheet materials like chipboard and mdf or securing metal hardware. The countersunk multi head sinks cleanly into the wood for a flush surface finish. In addition, the wirox coating protects the steel against corrosion for reliable indoor and covered outdoor joinery. This pack contains 500 pieces for your assembly tasks.