U-drive screws (also known as hammer drive screws ) are unslotted round head self tapping screws often used for attaching nameplates in castings and for sealing drain holes in corrosion proofing tubular structures. They possess multiple start threads with large helical angles and an unthreaded pilot point. Round Head Type U Drive Screws . Drive screw Type-U fasteners permanently fasten metals and plastics, when forced into the work piece using pressure. Round head screws are sometimes perferred over a pan head for its smooth surface and appearance. 3 Annual Store Closings. From Christmas through New Year's day, count on it. A week in April/May around Spring Break, and the week in July that includes July 4th. Watch for notices and details on the Home. Page, as the next Closing date draws near.

Drive Screws - Round Head Type U . Drive Screws are designed for heavy duty fastening applications. Drive Screws with their industrial style head are strong and durable making them perfect where long lasting strength is needed. Zinc plating, retards the corrosion rate in a normal atmosphere. Steel Zinc Drive Screws . Steel Black Oxide Drive Screws . 24 Hour Delivery Door-To-Door Service With UPS. Aspen Fasteners stocks full lines of u-drive screws in steel and stainless steel in addition to most other screws , nuts, bolts and washers. Available for same day shipping from distribution centers across the USA. And remember, it’s always free shipping. #4 x 3/16 Metallic Drive Screws Type U Round Hd Zinc Plated. Brand New Asmc Industrial. $11.18. Buy It Now. LOT OF 260 NEW #2 X 3/8 ROUND HEAD ZINC TYPE U DRIVE SCREWS FREE SHIPPING NH. Brand New. $13.99. FAST 'N FREE. Buy It Now. Guaranteed by Wed, Feb. 13. Free Shipping. Top Rated Plus.