SPEAKMAN 7/16"-27 H: 11/32" 沖6.3MM六角
A.M. STD 7/16"-24T H: 13/32" 沖6.3MM四角
STERLIANG 1/2"-24T 沖6.3MM四角
A.M. STD 1/2"-20T H: 3/8" 沖8MM六角
YOUNGSTOWN 1/2"-20T H:7/16" 沖8MM六角
MILWAUKEE 17/32-27T 沖8MM四角