Page 925 - Iscar

A 0.005 A 58-60 HRc
ST-ER 1 L CSI T 2
DIN 6499 ER Collet Chucks L2 A L
with Straight Shanks
min
SS D3 D3 d max
A
J A - A J T
Designation SS CSI d min d max L2 L J D3 T Fig. kg
ST 16X 50 ER11 F (1) 16 ER11 0.5 7.0 50.00 18.50 M8 19.00 13.0 1 0.06 Straight & VDI Shanks
ST 20X 50 ER11 F (1) 20 ER11 0.5 7.0 50.00 18.50 M10 19.00 17.0 1 0.10
ST 20X100 ER11 20 ER11 0.5 7.0 100.00 18.50 M10 19.00 17.0 1 0.20
ST 20X150 ER11 20 ER11 0.5 7.0 150.00 18.50 M10 19.00 17.0 1 0.25
ST 20X 50 ER16 F (1) 20 ER16 0.5 10.0 50.00 32.30 M12 28.00 19.0 1 0.07
ST 20X100 ER16 20 ER16 0.5 10.0 100.00 30.00 M12 28.00 19.0 1 0.20
ST 20X100 ER16 F (1) 20 ER16 0.5 10.0 100.00 30.00 M12 28.00 19.0 1 0.25
ST 20X150 ER16 20 ER16 0.5 10.0 150.00 30.00 M12 28.00 19.0 1 0.28
ST 20X 50 ER20 F (1) 20 ER20 1.0 13.0 50.00 42.50 M12 34.00 22.0 1 0.15
ST 25X100 ER20 25 ER20 1.0 13.0 100.00 36.00 M16 34.00 22.0 1 0.30
ST 25X150 ER20 25 ER20 1.0 13.0 150.00 36.00 M16 34.00 22.0 1 0.39
ST 20X 50 ER25 F (1) 20 ER25 1.0 16.0 50.00 46.00 M12 42.00 28.0 2 0.34
ST 20X100 ER25 20 ER25 1.0 16.0 100.00 46.00 M12 42.00 28.0 2 0.29
ST 20X100 ER25 F (1) 20 ER25 1.0 16.0 100.00 46.00 M12 42.00 28.0 2 0.09
ST 25X 50 ER25 F (1) 25 ER25 1.0 16.0 50.00 46.00 M16 42.00 28.0 2 0.22
ST 25X100 ER25 25 ER25 1.0 16.0 100.00 46.00 M16 42.00 28.0 2 0.36
ST 20X 50 ER32 F (1) 20 ER32 2.0 20.0 50.00 54.00 M12 50.00 36.0 2 0.30
ST 20X100 ER32 20 ER32 2.0 20.0 100.00 54.00 M12 50.00 36.0 2 0.40
ST 25X 50 ER32 F (1) 25 ER32 2.0 20.0 50.00 52.00 M16X2 50.00 36.0 2 0.32
ST 30X 50 ER32 F (1) 30 ER32 2.0 20.0 50.00 52.00 M18X1.5 50.00 36.0 2 0.39
ST 32X 50 ER32 F (1) 32 ER32 2.0 20.0 50.00 52.00 M18X1.5 50.00 36.0 2 0.42
ST 32X150 ER32 32 ER32 2.0 20.0 150.00 52.00 M18X1.5 50.00 36.0 2 0.88
ST 40X 75 ER32 F (1) 40 ER32 2.0 20.0 75.00 46.00 M22X1.5 50.00 44.0 2 0.72
ST 25X 50 ER40 F (1) 25 ER40 3.0 26.0 50.00 60.00 M16X2 63.00 45.0 2 0.52
ST 30X 50 ER40 F (1) 30 ER40 3.0 26.0 50.00 60.00 M18X1.5 63.00 45.0 2 0.57
ST 32X 50 ER40 F (1) 32 ER40 3.0 26.0 50.00 60.00 M18X1.5 63.00 45.0 2 0.80
ST 40X 75 ER40 F (1) 40 ER40 3.0 26.0 75.00 55.00 M22X1.5 63.00 45.0 2 0.94
ST 50X 80 ER40 F (1) 50 ER40 3.0 26.0 80.00 60.00 M28X1.5 63.00 54.0 2 1.30
ST 50X 80 ER50 F (1) 50 ER50 10.0 34.0 80.00 77.00 M36X1.5 78.00 58.0 2 1.32
(1) With a clamping flat.

947-950 979-980 981 980 944-946

CSI SETS A 0.005 A
KIT ST-ER A d range
Contains 1 ER Collet Chuck with SS * 46-48 HRc
a Cylindrical Shank and a Set of ** 58-60 HRc
Collets in Various Bore Sizes A
A - A

Designation SS CSI d Range Qty
KIT ST16X50 7 ER11 F 16 ER11 0.5-7 7
KIT ST20X100 7 ER11 20 ER11 0.5-7 7
KIT ST20X150 7 ER11 20 ER11 0.5-7 7
KIT ST20X50 10 ER16 F 20 ER16 0.5-10 10
KIT ST20X100 10 ER16 20 ER16 0.5-10 10
KIT ST20X150 10 ER16 20 ER16 0.5-10 10
KIT ST20X50 12 ER20 F 20 ER20 1.0-12 12
KIT ST25X100 12 ER20 25 ER20 1.0-12 12
KIT ST25X150 ER20 25 ER20 1.0-12 12

• Each kit contains one collet chuck, a full set of ER collets and a wrench. • F suffix indicates a flat on the shank.
* Collet
** Toolholder

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