Triangle straight shank spiral bit prevents skidding

The utility model relates to a triangle straight shank spiral bit prevents skidding, include the straight shank spiral bit body that constitutes by fluted drill body and cylinder handle body, cylinder handle body periphery equipartition is equipped with three section, and extend along cylinder handle body axis direction in the section. This kind of triangle straight shank spiral bit prevents skidding's three section equipartition sets up in its cylinder handle body periphery, and it can suit with current three -jaw drill chuck, thoroughly solves the problem that the drill bit skidded, can keep original all functions of drill bit simultaneously again.