Steel flat shank hole opener $ 13.47 Cooling type (internal cooling/external cooling): external cooling Cutting diameter (mm): 12-42 Shank diameter (mm): 19 Useful length (mm): 30 Total length (mm): 64 Material: high speed steel Blade diameter: 12-42 (mm) Full length: 64 (mm) Shank diameter: 19 (mm) Series: Hole Opener
