The CA1.5X3.5 self-tapping screws are manufactured by the Chinese hardware manufacturer Shuntian. The screws feature a Phillips head and can be used with thin-headed bolts or machines. The CA1.5X3.5 screws meet the RoHS (Restriction of Hazardous Substances) standard and are made of metal or a combination of metal and plastic. These screws are used in a variety of industries, including electronics, automotive, appliances, furniture, and many others. The CA1.5X3.5 screws are strong and durable and can be used in a variety of applications.