Description:Carbide tipped boring bars, high precision ground and hardened

Smoother turning without chatter or vibration, durable and long service life

Can be used on straight shank for boing bar, u drill, twist drill, center drill and extension rod etc

Great for processing small diameter bore, it can make the turning tool longer, so that it can cut deeper bore

Bushing OD: 12mm , ID: 3/4/5/6mm, Color: Silver, Brand New and High quality

Package Includes:1 Piece Boring BarsNote:Color maybe slightly different due to different monitor

The above size is measured by hand, please allow slightly difference

Thanks