Lot of 20 SVLS-M3-8 NBK Socket Head Cap Vacuum Vented Screws with Ventilation Hole with Low Profile M3 length 8mm Made in JapanLot of 20 SVLS M3 8 NBK Socket Head Cap Screws with Ventilation Hole with Low Profile M3 length 8mm Socket Head Cap Screws with Ventilation Hole with Low Profile SVLS M3 8 NBK 20 Screws Characteristics: The ventilation hole easily releases gas trapped in the screw holes of equipment and machines, and supports vacuum drawing of vacuum devices Socket head cap screws have low head heights. These screws are intended for the reduction of the size of