This document specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments for passenger car disc brake caliper springs. This document applies to disc brake caliper spring sheets (hereinafter referred to as spring sheets) with a thickness of 0.4 mm to 0.6 mm for passenger cars.
T/ZZB 1958-2020 history
2020T/ZZB 1958-2020 Disc brake clamp spring plate for passenger car