10-24X1/2 Phillips Pan Split Lock & Narrow Flat Washer Sems Fully Threaded Zinc (Pack Qty 6,000) BC-1008SNPP

A pan head machine screw with a free-spinning lock washer and flat washer manufactured as one assembly The washer/screw assembly makes this a locking screw with the helical washer providing the locking action and flat washer distributing the load over a wider areaYou may also like 4-40X1/4 Phillips Pan Machine Screw Fully Threaded 316 Stainless Steel (Pack Qty 5,000) BC-0404MPP316.