Black Cobra Diamonds – Straight Bevel Tip, FG, 5/Pkg Etching & Bonding It flows easily under pressure

It flows easily under pressure

In addition to function

Shallow retention grooves minimize dimensional change from stone expansion

Green 1-7/8" for Ampco

Attached optically clear

Black Cobra Diamonds – Straight Bevel Tip, FG, 5/Pkg Etching & Bonding It flows easily under pressureMeisingers Black Cobra diamond burs are specifically designed for daily heavy use. They are coated with Carbocer, a diamond like carbon coating specially developed to be durable, wear resistant, low friction and corrosion resistant. Additionally, Black Cobra diamonds are resistant to acids, alkalis and organic substances and are thermally stable up to +842F.