Hole Saw Websites:
blairequipment.com
Blair Equipment Company - Spot Weld Cutters & Auto Body Tools
Blair tools are used by collision and custom shops make automotive body repairs, remove spotwelds & cut holes, faster and more accurate.
starrett.co.uk
Starrett - Precision Measuring Tools | Hole Saws | Power Tool Blades
The L. S. Starrett Company Manufacture Quality Saws & Precision Measuring Tools Since 1880.