WoodOwl OverDrive 1/2" Diameter Fast Boring Auger Bit Makers Cabinet Sheaths inside of a bag

inside of a bag

They have a 1/2" shaft

but cut somewhat faster because of the square cut teeth

The glass stones measure 210 mm x 70 mm x 10 mm (8-1/4" x 2-3/4" x 3/8") and are made in Japan

Blades are held in the handles with steel tangs and brass ferrules

WoodOwl OverDrive 1/2" Diameter Fast Boring Auger Bit Makers Cabinet Sheaths inside of a bagThis 1 2" diameter OverDrive auger bit from WoodOwl is made in Japan by Star M International who have been making drill bits since 1923. They are made from S55C Steel and are designed to be used in portable drills and drill presses in addition to slower methods such as hand braces. When used in cordless drills they cut very quickly, save up to 35% of battery life, and yet create quite a smooth hole with minimal blow out on the exit and entry surfaces.