Tool system
ER Collet ER collet chuck features: High precision, long tool life • Material ： JIS-SUJ2 • Hardness ： 46-50HRC • The grinding process, was used in the collet grooves, which is suitable for high-speed machining • Ground internal dia. , external dia. and end face to achieve high precision at Ra0.4 • Environmental friendly coating to enhance the surface hardness, wear resistance and cleanness with a more constant precision, more smooth surface, better result in rust and corrosion prevention
L1
L2
L
Dimension (mm)
Product code
D1
D2 16 20 25 32 40
D3 17 21 26 33 41
L
L1
L2
ER16 ER20 ER25 ER32 ER40
4-10 4-13 4-16 4-20 4-26
27.5 31.5
6.26 6.36 6.66 7.16 7.66
4
4.8
34 40 46
5
5.5
7
Marked: Used in ER collet chuck
ER collet handling
ER screw nut
Assembling Instruction
Disassembling Instruction
447
447
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