IMPA 691719 HEX.HEAD SET SCREW M8x25 DIN 933-STAINLESS STEEL A4

known as hex-head set screws, These screws are installed by drilling a pilot hole and driving the screw into the material with a hex driver, The threading on the screw creates a tight fit and Video transcript - [Voiceover] Let's take a look at some more metric fasteners.This time, we have some set screws.And these are screws that are driven into a pre-tapped hole.And they're set so that they're flush with the surface or they can be driven in so that they're slightly below the surface.And these are also known as hex-head set screws.These screws are installed by drilling a pilot hole and driving the screw into the material with a hex driver.The threading on the screw creates a tight fit and prevents the screw from backing out.There are several different head shapes for set screws.The most common is the hex head, which can be driven with a standard hex driver.There are also set screws with a round head and a flat head.Set screws are also classified by the type of point on the end.The most common type is the blunt point, which is used for general purpose applications.There are also set screws with a cup point, which is used for applications where the set screw needs to grip into a soft material, such as plastic.There are also set screws with an oval point, which is used for applications where the set screw needs to resist high torque.Set screws are made from a variety of materials, including steel, stainless steel, brass, and plastic.