Keystone Electronics Corp. 2-56 "Zero" Height SMT Threaded Insert 4929

4929 is a zero-height surface mount threaded insert with a 2-56 thread, designed for direct PCB mounting using standard SMT equipment. It sits 0.012 inches (0.30 mm) above the board and features a mounting hole diameter of 0.147 inches (3.7 mm), a solder pad diameter of 0.244 inches (6.2 mm), and a solder mask opening width of 0.049 inches (1.2 mm). The insert is made of steel with tin plating and is supplied on 13-inch reels with Kapton tape for vacuum pick-and-place, at a quantity of 1,500 per reel.