使用 RS 系列钻头钻孔时可根据不同要求，分两次钻孔和一次钻孔两种工艺方法。 订货号dL订货号dL023Z-32003.212.5023Z-49004.912.5023Z-33003.312.5023Z-50005.012.5023Z-34003.412.5023Z-51005.112.5023Z-35003.512.5023Z-52005.212.5023Z-36003.612.5023Z-53005.312.5023Z-37003.712.5023Z-54005.412.5023Z-38003.812.5023Z-55005.512.5023Z-39003.912.5023Z-56005.612.5023Z-40004.012.5023Z-57005.712.5023Z-41004.112.5023Z-58005.812.5023Z-42004.212.5023Z-59005.912.5023Z-43004.312.5023Z-60006.012.5023Z-44004.412.5023Z-61006.112.5023Z-45004.512.5023Z-62006.212.5023Z-46004.612.5023Z-63006.312.5023Z-47004.712.5023Z-64006.412.5023Z-48004.812.5023Z-65006.512.5