Hosoi Drills - High Performance Drilling Hosoi Drill has Brought a Revolution for Drilling with its Outstanding Performance Solid Carbide or Carbide Tipped. Titanium Nitride Coated. Unique "HOSOI" spiral cutting edge. Increased feed rates and smooth chip ejection. Inch and Metric Sizes.

Hosoi drills deliver outstanding efficiency especially in mold-making and die sinking.

DIJET Hosoi Drill has a special helical carbide blade that performs outstanding cutting efficiency. In addition, TiN coating enables DIJET Hosoi Drill to greatly extend its machining range. Standard drill diameters ranging from 1/8 inch to 5/8 inch with drilling depth up to 4 x diameter are available.