DIN912 Cup Head Hex Socket Set Screw, Size M3 or M4
The DIN912 Stainless Steel 304 Cup Head Hex Socket Cap Screw, also known as a hex socket cylinder head screw or simply a cup head screw, is a fastener with specific standards and material properties. It conforms to the DIN912 standard and is made of 304 stainless steel, offering excellent corrosion resistance, high temperature resistance, and high strength.