DIN 7984 Hexagon Socket Head Cap Screws With Low Head Full / Half Threaded

DIN 7984 Hexagon Socket Head Cap Screws With Low Head Full/Half Threaded Carbon Steel 10B21 Grade8.8 10.9

Name and purpose:

Cylindrical head hex head screws referred to as hex head screws, commonly known as cup head screws, it and hex head bolts are the most common head type in the fastener industry. By the way, why is it officially called a screw and not a bolt? The simple explanation is that the bolt generally needs to be used with the nut, and the screw generally does not need to be used with the nut but is self-tapping or directly installed on the internal thread of the body.

Commonly used grades and materials:

The common grades of carbon steel hex screws are 4.8, 8.8, 10.9, 12.9, etc., and the materials of each grade are low carbon steel, medium carbon steel, alloy steel.

Mechanical performance acceptance criteria:

Acceptance standard for mechanical properties such as tensile strength, hardness and guarantee stress of cylindrical head hex socket screws

surface treatment:

DIN7984