Stocking uni chipboard, needle point tek, self-drilling wafer head tek, pan type, countersunk, self-tapping, trilobed, bulldog and tamper proof security screws, as well as pop rivets, plugs, brads and staples, masonry or plaln Sentry is …Our drywall screws provide safety, ease, speed and perfect countersink for fixing plasterboard/ drywall to wood or metal frame on wall or ceiling. Application：Drywall to Wood、Drywall to Metal. Size: #5 - 5/16、M3 - M8. Length: 7/16" - 15 3/4"、9L - 400L. We can uding a variety of head, head recess, thread ...Mar 05, 2019 · B. Non-Countersunk Screw Heads. Non-countersunk screws tend to have a head shape without an angle, and one that sits outside of the surface of your project, so it’s not necessary to create an angle that houses the screw head. Here are the mostmon types of heads that won’t require you to countersink them: 1. BindingThe Bugle Batten Screw has a course tapping thread and a special long sharp fluted point to capture chips in timber. Wholesale or trade price Batten Screws are available in a variety of coating types for use in a wide range of applications. As a heavy duty screw, the Batten Screw is often used in retaining walls and decking.