Headcote SS Trim Head Screws - Accessory Pack is designed to blend with all types of wood decking, including cedar, ipe, mahogany, and meranti. These premium quality deck screws feature extra deep star drive recesses, type 17 auger tips, and trim or reinforced flat heads. Headcote 305 screws match the profiles of Smart-Bit Pre-drilling and Countersinking Tools. For materials that require pre-drilling, especially hardwoods, this product combination makes it easy to achieve a clean and professional finish.