5 Easy Facts About types of screw heads Described
Similar to the Philips screw head in that it has a four-arm cross center, the torq-set screw head does have some variations. The cross-sections never align to form equal intersections. A bulged head, in some cases by using a black phosphate coating. perfect for attaching drywall to a metal stud or timber. Domed screw heads are more widespread tha