Solid carbide chamfer tools without grooved Shank dia:3.0/3.175mm,84 degree Tolerance:+0.05mm For Stainless Steel 304 process All tools ae CNC finish,made from Tungsten carbide materialSize standard or as per your requirementWorkpiece:Copper,Brass,Aluminum,alloy steel,Stainless steel,cast iron etcGood abrasion resistance,high hardness,high precision tools for you