grab bucket Material Standard: ASTM,AISI, DIN, BS and JIS ... CT7 We adopt investment process produce wear parts, including grab bucket and adapters,side cutters, tips, pins and locks for ... ESCO, Bobcat, Hensley, Volvo and Kobel.The carbon steel bucket have the mechanical properties as below:1) Hardness: 45--54HRC2 ... H65, H85, H1358) Kato: HD12509) Volvo: volvo230, volvo210, volvo220 grab bucket