M6-1 x 12 Metric Socket Head Cap Screw Class 12.9 ISO 4762 Black Ox 5-20 are a type of nut

are a type of nut that uses a prevailing-torque locking feature to prevent loosening under vibration and other dynamic loads

This screw is 5 1/2 inches in length

It is designed to provide a strong

They feature a slotted indented hex washer head and a self-drilling tip

and the 18-8 stainless steel construction offers excellent corrosion resistance

M6-1 x 12 Metric Socket Head Cap Screw Class 12.9 ISO 4762 Black Ox 5-20 are a type of nutM6 1 x 12 Metric Socket Head Cap Screw Class 12. 9 ISO 4762 Black Ox is a high tensile strength screw made of alloy steel and heat treated to a tensile strength of 12. 9 GPa. It has a black oxide finish for corrosion resistance and a socket head for driving with a hex key. The screw has a diameter of 6 mm, a thread pitch of 1 mm, and a length of 12 mm. It meets the specifications of ISO 4762 and is commonly used in automotive, construction, and