Tool system
ER Collet Chuck
JIS B6339
L1
Dimension (mm)
Product code
Stock
Spindle
Nut
Collet(selected)
D1
D2 28 28 28 34 34 34 42 42 42 50 50 50
L1 70
● ● ○ ● ● ○ ● ● ○ ● ● ○
BT40 BT40 BT40 BT40 BT40 BT40 BT40 BT40 BT40 BT40 BT40 BT40
4-10 4-10 4-10 4-12 4-12 4-12 4-16 4-16 4-16 4-20 4-20 4-20
ER16-A ER16-A ER16-A ER20-A ER20-A ER20-A
ER16 ER16 ER16 ER20 ER20 ER20 ER25 ER25 ER25 ER32 ER32 ER32
BT40-ER16-70 BT40-ER16-100 BT40-ER16-150 BT40-ER20-70 BT40-ER20-100 BT40-ER20-150 BT40-ER25-70 BT40-ER25-100 BT40-ER25-150 BT40-ER32-70 BT40-ER32-100 BT40-ER32-150
100 150
70
100 150
70
ER25-UM ER25-UM ER25-UM ER32-UM ER32-UM ER32-UM
100 150
70
100 150
●： Stocked ○： Unstocked
Marked: Wrench and ER collet can be ordered
Tool combination
437
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