ER collet chuck tool holder are applied in the range of wide variety; they can be used in drilling, milling and tapping works, etc.; at present, they are the most common cutter holders in milling machines. ER collet chuck tool holder can be divided into the ER collet chuck tool holder and ER high-speed small-diameter tool holders. The applications of ER collet chuck tool holder have wide chuck-clamp range available, from ER11 up to ER40, whereas ER high-speed and small-diameter tool holders can only apply up to ER20.
As referred to the precision level, ER collet chuck tool holder can be categorized to 4 levels: the general level (Level B), Level A, Level AA and Level HP; the respective precisions are, in turn, 0.02mm, 0.01mm, 0.005mm and 0.003mm. Specifications can be divided into 6 kinds, namely ER11, ER16, ER20, ER25, ER32 and ER40.
CHUMPOWER ER collet chuck are made of stainless steel, which own better wear-resisting capability, high hardness and high toughness; they are under strict precision inspection according to DIN6499 before assembly and delivery; the quality deeply earns customer’s reliance and confidence with extreme high credit.
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