5 Piece Drill Set 7mm, 10mm, 25/64", 27/64", Letter O
- Parabolic Flute design eliminating the need to withdraw the bit until the hole has been drilled through
- Can drill up to 1350 holes without sharpening
- European Pen Makers Drill Bits made from M2 HSS High Speed Steel for longer life
- The full length of the drill bit can be used in a single pass
- Reduced friction by the shape of the outer flute area makes for faster drilling and less heat buildup for longer life
- Includes 1 each of 7mm, 10mm,25/64", 27/64" and Letter "O"