CSK Screw Bolt is used for lag together lumber for framing, machinery to wood floors and other heavy duty applications. This CSK bolt is use to fasten material by digging in and wedging into a material hen turned, while the thread cuts grooves in the fastened material that may help pull fastened materials together and prevent pull-out. Our offered bolt is tested on different quality parameters before delivering to our valued customer end. Our offered CSK Screw Bolt is known for their unique features like higher performance and durable work life.