Watts Brothers Tool Works
- Watts Brothers Tool Works
Watts Brothers Tool Works is a tool manufacturer located in Wilmerding, Pennsylvania, USA. They are known for manufacturing drill bits which can drill square holes [ [http://upper.us.edu/faculty/smith/reuleaux.htm] Drilling Square Holes ] , including blind holes which cannot be made with other methods such as broaching. These drill bits are based on a Reuleaux triangle shape, and are used together with a guide and a special chuck. Similarly, the company also manufactures drill bits for other angular holes such as pentagons and hexagons.
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