Depth stop for Forstner bits with blade D. 22-27 mm. - sautershop
Mushroom Sawdust Spawn Inoculation Drill Bit with Stopper - Round Shank, Hole Diameter 8.5mm - - Amazon.com
Rosnek 15-100mm Forstner Bit Woodworking Drill Bit Set Boring Hole Saw Cutter Carbide Tip TCT Hex/Round Shank - Walmart.com
Heller 12045 6 Forstner bit 40 mm Total length 90 mm Cylinder shank 1 pc(s) | Conrad.com
FAMAG Bormax® Forstnerbohrer WS lang AØ: 27 mm - FA-162302700
Bosch Pro Forstnerbohrer (Ø 27 mm) : Amazon.de: Baumarkt
jxgzyy 15PCS Forstner Bit Set 10-50mm 2/5-2 Inch Round Shank Wood Drill Bit Set Woodworking Forstner Drilling Bits with Wooden Storage Case - - Amazon.com