Specification:
M4 x 6mm Copper Hollow Rivets
Height: 6mm/ 0.23''
Outer Diameter: 4mm/ 0.15''
Inner Diameter: 2.9mm/ 0.11''
Head Diameter: 5.9mm/ 0.23''
Head Thickness: 0.6mm/ 0.02''

Feature:
Smooth without burr, firm and durable, easy to install.
Standard circular shape, smooth column, faster installation, saving time.
It has good conductivity and thermal conductivity, strong corrosion resistance, and can be used indoors and outdoors.

How to Use:
Simply drill a hole slightly larger than the outer diameter of the selected through hole and insert the through hole.
If desired, the through-holes can be easily ground to the desired length and punched in the center of the shaft side of the board to extend that side of the shaft.
After that, it can be welded into place, or whatever you want to do. Or, you can choose to even grind the head and you will be left with a very discrete shaft.

Application:
Widely used in electronic circuit boards, electrical equipment, household appliances, office supplies and other small structural parts.

Package Included:
500Pcs M4 x 6mm Hollow Rivets