- Unit of Measure - Inch
- Material: High quality alloy steel
- Heat Treatment: 36 - 43 Rc
- Heat Treatment: 36 - 43 Rc
- Thread Class: 3A
Socket Head Shoulder Screws are made of a high grade alloy steel. These class 3A coarse type screws have a high tensile strength and a surface hardness of 36 - 43 Rc.