1/4″带磁,Cr-Mo品名订货编号六角尺寸头部规格长度备注mm起子套筒28.40.207065M71/4″65带磁起子套筒28.40.207100M71/4″100带磁起子套筒28.40.208065M81/4″65带磁起子套筒28.40.208100M81/4″100带磁起子套筒28.40.210065M101/4″65带磁起子套筒28.40.210100M101/4″100带磁起子套筒28.40.12065M121/4″65带磁起子套筒28.40.12100M121/4″100带磁起子套筒28.40.13065M131/4″65带磁起子套筒28.40.13100M131/4″100带磁起子套筒28.40.14065M141/4″65带磁起子套筒28.40.14100M141/4″100带磁)