Profile: WG Challenor is a supplier of riveting equipment. We offer general help and advice on riveting, riveting trials & tests on customer parts, a riveting tool design & manufacturing service for most machines, second hand & re-built used riveting machines of all types, service, and repair of most types of riveting machines. All second hand machines pass through our workshop facilities, where they are stripped down, cleaned, painted, and re-assembled. The radial riveting system represents a vast improvement over other forms of riveting processes.