Watts Brothers Tool Works

From Wikipedia, the free encyclopedia

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[1], 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.

[edit] References

  1. ^ [1] Drilling Square Holes