Page 685 - ISCAR(MILLINGCATALOG 38_2021)

USER GUIDE

Standard ER Collet Type DIN 6499

Standard ER Collet Standard Shank for Use in Sealed Collets
Plain Shank
30˚ 8°

A D ER, SC & SHRINK COLLETS

B L Weldon/DIN 1835/B
Basic Dimensions
Type A B
ER-11 11.5 18
ER-16 17 27
ER-20 21 31 Whistle Notch DIN 1835 Form E
ER-25 26 35
ER-32 33 40
ER-40 41 46
ER-50 52 60
Concentricity Tolerances Note: The front end of the sealed collet should be located beyond the
Standard AA Ultra Weldon or the whistle notch.
L mm D mm DIN 6499
Precision Precision Correct Wrong
6 1.0-1.6 0.01 0.005
10 1.6-3.0 0.01 0.005 0.015 4 7
16 3.0-6.0 0.01 0.005 0.015
25 6.0-10.0 0.01 0.005 0.015 HSK HSK
40 10.0-18.0 0.01 0.005 0.020
50 18.0-26.0 0.01 0.005 0.020
60 26.0-34.0 0.025

ER - Coolit Sealed Collet
Two Types
ER32 SPR 15-16 +0.1 ER32 SPR 16-17
Sealed Collet Sealed Collet Jet
+0.1
Lmin Lmin

Ø16
Ø16

For straight shank With angular double
cutting tools with internal nozzles. Coolant flow is
coolant supply direct to the cutting edge
- for use with standard
straight shank cutting tools
(without coolant hole)

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