今天關於尺寸 @issue 的問題是背包的大小標示或是包裝盒、商品尺寸中經常能看見的「H*L*W」或「HWD」單位縮寫，他們在包裝尺寸中各自代表長寬高（深）哪個意思？

今天的問題是「電鑽鑽頭尺寸與膨脹螺絲、壁虎螺絲尺寸快速對照表」！我們特別將常見的電鑽鑽頭、壁虎螺絲包括外牙膨脹螺絲、外牙套管螺絲、套管壁虎、平頭膨脹螺絲、平頭套管螺絲及平頭壁虎等形式的尺寸整理成下面這份快速對照表。

Todays question is "drill bit sizes quickly and comparison with expansion screws, anchor screws size!"We are particularly common drill bit, outside the anchor screws, including outside expansion bolts, screw the casing, casing geckos, expansion screws, flat head casing with flat head screws and flat lizard, in the form of dimensions into this quick comparison table.