Description:

.- Material: HSS(high speed steel) 4241 .- Hardness: HRC 60-62 .- Shank: straight shank .- measure approximately 0.0135", 0.0145", 0.016", 0.018", 0.02", 0.021", 0.0225", 0.024", 0.025", 0.026", 0.028", 0.0292", 0.031", 0.032", 0.033", 0.035", 0.036", 0.037", 0.038" and 0.039" (0.34, 0.36, 0.4, 0.45, 0.5, 0.53, 0.57, 0.6, 0.63, 0.66, 0.71, 0.74, 0.78, 0.81, 0.83, 0.88, 0.91, 0.93, 0.96 and 0.99 mm)..