Classification of Shank Types for Annular Cutters
Dec 15, 2022
The main shank types currently on the market are divided into Universal Shank, Weldon Shank, Fein Shank, and threaded shank.
Folding universal shank
A plane with three holes or only three holes is Universal Shank, also known as Nitto Shank, which is a special shank type for Nitto magnetic drills in Japan. Originally, there was no plane, only three holes, because it was used in China. A plane, so now it can also be used in common with right-angle shank drill bits, also known as universal shank.
Folding right angle shank
Right-angle handle (two-point positioning), also known as Baide handle, is a special handle type for German Baide magnetic drills. The two planes with a right angle of 90 degrees are right-angle handles. It is the most widely used handle type in the market.
Fold Fein shank
The one with four holes without flat surface is the overtone handle, which is a special handle type for German overtone magnetic drills, but its diameter is 18mm smaller than that of the right-angle handle and the general handle (19.05mm), and the thimbles are all thin thimbles of 6.35mm, which are mainly used in It can not be installed on other imported drilling rigs.
Folding thread shank
Generally, it is rarely used in the market, so you don’t have to worry about it, but sometimes you will encounter threaded shank rail drill bits when drilling rails on railways.
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