Uxcell Brass M3 4mm+3mm Male-Female Hex Standoff 20 Pack

These standoffs are hexagon (for wrench tightening), made of brass, and come in male-female forms. They are frequently used to raise a PCB board above a surface in electronics. Widely used in printed-circuit board, quadcopter drone, and computer. The hex brass standoffs have good mechanical strength, wear resistance, and corrosion resistance. In accordance with the standard metric system. The average error is less than 0.01mm. The thread is very clean, and accurate. Accurate dimensions make your installation or maintenance easier.