... are Caterpillar,Komatsu,Esco,Bofors,Hensly,Volvo,Jcb replacements. 1.Bucket teeth material:Carbon steel,Alloy steel,High tensile alloy steel.2 ... bucket teeth are under quenching and tempering treatment.our bucket teeth have good physical performance and can be used for a long time.4.Type ... ,KM25,KM30,KM40 etcWelcome to your inquiry! thank you. Komatsu bucket teeth S15RP Z