Tooling System
Chuck Accessories
ER Nut
Style1
Style2
Style3
Style4
Dimensions (mm)
Compatible Collet
Compatible Wrench
Compatible Chuck
Product Code
Style
D1
D2
L
ER16-A ER20-A
M22*1.5P
28
18
1
ER16
W-ER16A
M25*1.5P
34
19
1
ER20
W-ER20A
ER Collet Chuck
ER25-UM ER32-UM ER40-UM ER11-M ER16-M ER20-M ER25-M GSK10
M32*1.5P
42
20
2
ER25
W-ER25UM
M40*1.5P
50
23
2
ER32
W-ER32UM
M50X1.5P
63
26
2
ER40
W-ER40UM
M13*0.75P
16
12
3
ER11
W-ER11M
ER Straight Chuck Extension
M19*1.0P
22
18
3
ER16
W-ER16M
M24*1.0P
28
19
3
ER20
W-ER20M
M30*1.0P
35
20
3
ER25
W-ER25M
M21.5*1.0P
27
24
4
SK10
W-GSK10
GSK High-Speed Collet Chuck
GSK16 GSK20
M32*1.5P
40
31
4
SK16
W-GSK16
M40*1.0P
48.5
33
4
SK20
W-GSK20
GSK25 W-GSK25 Note: The Nut thread specification varies depending on the nut external dimensions and the adapted collet, and is not interchangeable with the same model. M45*1.5P 55 37 4 SK25
668
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