Profile: Meibuhr Co., Inc. produces bearing locknuts, Thredserts™ and retaining rings. Our Thredserts™ are used to eliminate turning & threading of spindles, shafts and other threaded parts. Our bearing locknuts are designed for use with precision bearings. Our taper locking type rings are used with metric series ball or roller bearings, thrust bearings and machine elements. Our brand includes Thredserts™.