A versatile heavy duty coach screw with a hex flange head and is the modern replacement for traditional DIN 571 coach screws. Benefits from an aggressive slash point tip for easy driving and reduced splitting. Suitable for softwood, hardwood, man-made board or masonry with the use of a nylon plug. Zinc plated and yellow passivated for improved corrosion resistance. 3x faster than standard coach screws Single slash point for quick installation Power tool compatible" Thread Dia. mm: 8.0 Length mm: 60 Thread Length mm: 36 Head Type: Hex Flange Recess Type: N/A Point Type: Single Slash Driver Bit Size: N/A Finish: Zinc & Yellow Material: Carbon SteelSize 8.0 x 60 - 50 Pieces Timco Advanced Coach Screws - Hex Flange - Yellow