====== drill bits ======

  * twist \\ generally used on wood and metal
  * masonry \\ used on rock, stone, brick
  * spur point \\ a.k.a. a wood or dowel bit, they have a central point. ideal for straight holes in wood.

#TODO: the rest of this:
https://www.jackspaint.co.za/index.php/diy-blog/38-different-types-of-drill-bits

====== saw blades ======

{{:img_20231031_183130.jpg?600|}}
{{:img_20231031_183125.jpg?600|}}