卡箍是鉆井泥泵動力端系統中的主要配件，是動力端和液力端的分界線，用于連接動力端系統中的中間拉桿和液力端系統的活塞桿。卡箍的毛坯為ZG35CrMo.兩瓣砸號配對加工和組裝，保證了內槽的對稱性。
銀達石油可以提供的卡箍總成型號如下：
AH33001-
AH100101051901
AH33009-
AH100102050501
AH35001-
AH050101051501
AH35003-
AH050102050601
AH36001-
AH130101051901
AH36002-
AH130102050601
AH36001-
AH130101051901
AH36002-
AH130102050601
AH34001-
AH080101050401
AH34007-
AH080102050501
AH33001-
AH100101051900
AH33009-
AH100102050500
AH35001-
AH050101051500
AH35003-
AH050102050600
AH36001-
AH130101051900
AH36002-
AH130102050600
AH36001-
AH130101051900
AH36002-
AH130102050600
AH34001-
AH080101050400
AH34007-
AH080102050500