YUFUTOL Carbide Burr Set with 1/4''(6.35mm) Shank 8pcs Double Cut Solid Carbide Rotary Burr Set for Die Grinder Drill, Metal Wood Carving, Engraving,Polishing,Drilling sold2024 of cutting edges = of

of cutting edges = of flutes

Drill America 1-1/2"-6 Carbon Steel Left Hand (Reverse) Hex Rethreading Die

While other cone bit augers can't do this

Please Test in a Small Inconspicuous Area Before Full Application

precise round holes of 2mm

YUFUTOL Carbide Burr Set with 1/4''(6.35mm) Shank 8pcs Double Cut Solid Carbide Rotary Burr Set for Die Grinder Drill, Metal Wood Carving, Engraving,Polishing,Drilling sold2024 of cutting edges = ofYUFUTOL Carbide Burr Set with 1 4''(6. 35mm) Shank 8pcs Double Cut Solid Carbide Rotary Burr Set for Die Grinder Drill, Metal Wood Carving, Engraving,Polishing,Drilling Product Features Shape: 8pcs Carbide Rotary Burr Set includes SA 5,SA 3,SC 3,SC 1,SD 3,SD 1,SF 5,SF 3 cutting burrs for die grinder accessories fits most Rotary Die grinders Durable: Made of heat treated tungsten carbide that hardness can reach to HRC70, sharp and sturdy Versatile: