M12 Kcf Pin Guide Pin Nut Welding Ceramic Pin Centering Pin - Kcf ...A KCF pin is a high-performance locating or guide pin, often used in projection or nut welding, made from a special heat-treated alloy (KCF material) that provides excellent electrical insulation, high-temperature strength, and wear resistance, making it superior to ceramics for durable, precise positioning in automotive and industrial applications.
