This system cleans up the stamped flat edge and stepped look of standard flat washers when used with Race ProofÖ 12 Point flange bolt A precision counterbored hole is CNC-machined for the bolt to sit down inside of the washer - when the bolt is installed in the washer the two flanges meet for an almost seamless look All washers also feature a tight tolerance hole with an i.d. chamfer to clear the large under-head radius on Race ProofÖ bolts Made in the U.S.A.. WASHER FLANGE 5/16X1.00
