The Morse taper shank Drill Bit is a self-locking (or self holding) taper of approximately 5/8" per foot that allows the torque to be transferred to the drill bit by the friction between the taper shank and the socket. The tang at the end of the taper is only for ejecting the drill bit from the spindle, with the aid of a drift.
Its material is high speed steel,treatment process is roll-forged
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In 2012, the export value of China's machine tool industry was 43.637 billion yuan, a year-on-year increase of 9.79%. Compared with the same period of last year, the growth rate decreased by 8.42 percentage points.
Statistics show that in 2012, the growth rate of sales value of China's machine tool industry was more obvious. Among them, the growth rate of cutting tool manufacturing and metal Cutting Machine tool manufacturing industry accounted for a large decline, compared with the same period last year, the growth rate fell by 31.18 and 15.28 percentage points respectively.
The arbor of a drill chuck is often a Morse taper and this allows the chuck assembly to be removed and directly replaced with the shank of a Morse taper drill bit.
Abstract According to the statistics of China Machinery Industry Federation, from January to December 2012, the development of China's machine Tool industry showed a steady recovery year-on-year. The total industrial output value was 798.515 billion yuan, an increase of 12.73% year-on-year; the completed sales value was 775.496 billion yuan...
According to the statistics of China Machinery Industry Federation, from January to December 2012, the development of China's machine tool industry showed a steady recovery year-on-year. The total industrial output value was 798.515 billion yuan, a year-on-year increase of 12.73%. The completed sales value was 775.496 billion yuan, a year-on-year increase of 12.25. %; production and sales rate is 97.11%.