▶【Description】 Socket head cap screws are commonly used in machine assembly, especially for removable panels and parts. They have a round cap with a hex head and are tightened with a socket wrench drive. Choose the right cap head for your specific application. Longer caps are easier to see when fastened, while button and flat head caps are less apt to snag clothing or linkages. ▶【Specification】 Product Name: Socket head cap screws Brand: Instockbolts Material: 304 stainless steel Thread specification: American thread Dimension：4-40 × 1/4" ▶【Package Content】 100 x Socket head cap screws ▶【Note】 Small parts, keep it away from children and babies.