Description:

Thread Size: 1/4 x 1-5/8"; Hex Width: 4mm / 0.16". Made of 410 stainless steel, which has higher hardness, corrosion resistance and rust resistance that provides a firm fixing indoors and outdoors, not easy to deform or fade.. The self-drilling screws can drill well into the wood, sheet metal and other surfaces. The thread can reduce the resistance when screwing in and prevent cracking.. It can also connect metal hardware to the wood well because the threaded rods provide good retention in the wood. Also connect aluminum, plastics, iron parts, and other similar materials, such as colored steel plates, wall beams, etc.. Widely used in various industries such as manufacturing, construction, engineering, office equipment, mechanical industry and furniture assembly..