M4X6 ISO 7045 Phillips Pan Split Washer Sems Machine Screw Full Thread Zinc (Pack Qty 4,000) BC-MI46SPP

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 split lockwasher variety is preferred for use with hardened bearing surfaces Screw: C1008 or equivalent carbon steel. Washer: Spring Steel Stainless: Screw: Class 304 SS. Washer: Class 304 SSYou may also like 1/4-14X1 1/4 Slotted Indented Hex Washer Self Tapping Screw Type AB Fully Threaded Zinc (Pack Qty 1,500) BC-1420ABSW.