600pcs) DIN 471 M12X1.0 Retaining Rings for Shafts Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP0471212: Amazon.com: Industrial & Scientific
Standard External Retaining Ring, Tapered Section, Axial Assembly, DIN 1.4122 Stainless Steel, Passivated Finish, Meets DIN 471 Specifications, 18mm Shaft Diameter, 1.20mm Thick, Made in US (Pack of 5): Amazon.com: Industrial & Scientific
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