Eastlo Fastener 1/4-20x1-1/2'' Button Head Socket Cap Screws for Screw Fix, 304 Stainless Steel, Internal hex Drive, Fully Threaded (100 Pack)

"Button head socket cap screws are precision threaded fasteners with an internal socket drive for installing in areas with limited side clearance. They are known for their effecient application performance and endurance widely used in a variety of industries such as construction, manufacturing, engineering, assembling, aircraft and so on. The button head is round with low profile and vertical sides. The internal hex drive requires an Allen wrench. These screws are available with a variety of head shapes, which determine how the screw interacts with the mating surface, and drive styles, which determine the type of tool required to install the screw. The high quality 304 stainless steel provide perfect strength and good corrosion resistance in bad environments like high temperature, cold weather and high humidity areas without the need for time consuming and costly maintenance."