M3-.5X6 JIS B1188 Phillips Pan Internal Washer Sems MS Full Thread Zinc Yellow ROHS (Pack Qty 5,000) BC-MJ36IPPY

A cross-recessed, pan head machine screw with a free-spinning, captive washer. Directly below the pan head is an internal tooth lockwasher. The diameter and height of the pan head are between 5% and 20% smaller than a standard pan head The washer/screw assembly makes this a locking screw with the washer providing the locking action. Machine pre- assembly provides cost savings to the end user. The internal tooth sems is recommended when it is desireable to hide the teeth for appearance o