With these changes, at least 37 states and D.C. recognize same-sex marriage. There is also a federal appeals court ruling to uphold states' ban on same-sex marriage. On Nov. 6, 2014, a federal appeals court judge in the 6th U.S. Circuit upheld four states' bans on same-sex marriage.
The screwdriver shank is made of tough steel, and the tip is hardened to minimize wear. The handle is made of wood, metal, or plastic. If a screw cannot be reached with a straight-shank screwdriver, an offset screwdriver is used; this tool has no handle but has a shank with a right-angle bend at both ends. One blade tip is in line with the shank, and the other is at right angles to the shank.
Sheet metal screws have sharp points and threads, and are designed to be driven directly into sheet metal. They can also be used in softer materials like plastic, fiberglass, or wood. Machine screws are fully treaded for use with a nut or in a tapped hole. Certain types are sometimes referred to as stove bolts. Socket screws are machine screws with an internal hex socket (Allen) drive. Longer lengths may have a smooth shank. Lag bolts, or lag screws, are large wood screws with hex heads. Typically used for wood construction and landscaping.