硬质合金通用柄空心钻头，专用硬质刀片,摩擦力小,分层切削



32
19.05
25/35/50


33
19.05
25/35/50


34
19.05
25/35/50


35
19.05
25/35/50


36
19.05
25/35/50


37
19.05
25/35/50


38
19.05
25/3

11/08 23:30