1/4-20X1/2 PAN HEAD SET OF 8

Pan heads are slightly rounded with short vertical sides. Machine screws feature machine threads designed for use with a nut or in a tapped hole. While machine screws are often paired with nuts, they can also be driven directly into tapped holes without nuts. Depending on the distinction made in the Machinery's Handbook, they could be classified as either screws or bolts. In practice, machine screws are typically available in smaller sizes, which are commonly referred to as screws or machine screws. Some types of machine screws are also known as stove bolts. These screws secure one object to another that has a pre-threaded hole, often involving a nut. They are usually made of metal and can be inserted or removed using a screwdriver or wrench.