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
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