Prime-Line 9119260 Medium Split Lock Washers, 1/2 In., Grade 8 Yellow Zinc Plated Steel (10 Pack)
$8.29
by PRIME-LINE
Size: 1/2 inch Round washer with a split and helical shape When fully fastened, the edges at the split bite into the nut and material surface Provides a spring tension force that adds additional friction Helps to prevent nuts from loosening in cases where it may be subject to vibration, in some applications a flat washer is used with the split lock washer Specification(s) Met: ASME B18.21.1 and ASTM B695