Dremel 9904 Tungsten Carbide Cutter
Brand: Dremel
Color: Gray
Use on Hardened steel, fired ceramics and other hard materials
1/8" Maximum cutting head
1/8" Shank
Do not use for drilling or enlarging holes less than twice the diameter of the cutter to avoid carbide surface catching side of hole and breaking
For best results insert bit in tool and back out slightly before tightening down to provide plenty of shank for the collect or chuck to hold the bit