Secure Dura Slope accessories to Dura Slope® trench drains for system integrity prior to pouring concrete. Our #8 X 1 in. Phillips pan head screws fasten Dura Slope® End Cap DS-224 and End Outlet DS-227 to the downstream male end of Dura Slope Channels, as well as Ductile Iron Frame DS-200H to the Dura Slope Channel grate seat . These screws have a pointed tip which allows them to easily thread into the Dura Slope channel male end and grate seat. Use our 12 ct. bag of stainless steel screws to help an important part of your stormwater management product function effectively. Hassle-free limited lifetime warranty guarantees the NDS product is free from defects—or we’ll replace it.