A6M The WHLAXLE6M axle is a FLANGE style axle made of 2024-T351 AL alloy. This axle has a 1.5 inch diameter bearing surface. The axle has 1.125 inch four bolt hole pattern on a 2.25 reference circle. This axle assembly comes with the AN6 axle nut
MATCO mfg axles that are aluminum are black anodized and steel axles are yellow zinc.