135°Split point, straight shank, sharp spiral groove, coffee bronze coating.
13/64" inch Diameter 5.2mm for reference. Real exact size is 5.160mm. 13/64" equals to 5.159mm, this drill bit diameter is almost real 13/64".
Flute length 2 1/16"(52mm), total length 3 7/16"(86mm).
M35 Cobalt 5% HSS Grade. One of tungsten molybdenum high-speed steel containing 5% cobalt. Harder and more wear-resistance. Suitable for cutting steel, iron, copper, aluminum etc.
10 PCS packed in plastic case, size marked on shank tail. Can be installed on Drill Press, Power drill or Hand drill.