WoodOwl OverDrive 3/8" Diameter Fast Boring Auger Bit woodworking rifflers Caemellia Sinensis

Caemellia Sinensis

and detailed trimming

The primary bevels are ground at 25 degrees

This hardened and tempered stainless steel 12"/300mm rule made by Shinwa has a non-glare hard chrome coating and both Metric and Imperial graduations and is model H-3401C

but we find that they are the ideal tool for tightening and loosening the brass nuts on parts of various tools such as hand plane fences

WoodOwl OverDrive 3/8" Diameter Fast Boring Auger Bit woodworking rifflers Caemellia SinensisThis 3 8" 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.