Forstner bits feature continuous rounded edges for smooth cutting with minimal tearout. Sawtooth bits feature serrated edges for cutting harder materials such as end grain.

• Sizes 22mm and smaller are Forstner style
• Sizes 25mm and above are Sawtooth style.
• Bits up to and including 28mm have an 8mm shank
• Bits from 32mm to 54mm have a 10mm shank.
• Metric sets include bits of following approximate sizes (accurate to +/- 0.5mm):
  6mm, 10mm, 12mm, 16mm, 20mm, 22mm, 25mm, 28mm, 32mm, 35mm, 38mm, 40mm, 45mm, 48mm, 50mm, 54mm