ER Collets

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ER Collet Styles:

ER – Standard Collet

• For use in ER collet chucks for drilling, reaming, boring, tapping, and milling.
• Meets DIN 6499-B industry standard.
• Collapse range .0393”(1 mm) maximum.
• Size 11 collapse range .020”(1/2 mm) maximum.
• For higher runout tolerance, refer to high precision collets on page 30.
  
  

ERS – Steel Sealed Collet

• For use with regular straight shank tools.
• Withstands coolant pressure up to 1800PSI.
• Collet collapse is .005”.
  
  

Range: Always select collet that allows for minimal collapse. Collets perform best when “on size”.

COLLET

Type	L	D
ER11	.708	.452
ER16	1.082	.669
ER20	1.240	.827
ER25	1.338	1.023
ER32	1.574	1.300
ER40	1.811	1.614

ER11 COLLET SETS

Part Number	Quantity	Range
ER11-S013	13	.5mm - 7mm

ER16 COLLET SETS

Part Number	Quantity	Range
ER16-S010	10	.5mm - 10mm
ER16-S012	12	1/16 - 13/32 x 1/32

ER20 COLLET SETS

Part Number	Quantity	Range
ER20-S012	12	1mm - 13mm
ER20-S015	15	1/16"- 1/2"- 1/32"

ER25 COLLET SETS

Part Number	Quantity	Range
ER25-S015	15	1mm - 16mm

ER32 COLLET SETS

Part Number	Quantity	Range
ER32-S018	18	2mm - 20mm
ER32-S022	21	1/8 - 3/4 x 1/32

ER40 COLLET SETS

Part Number	Quantity	Range
ER40-S023	23	4mm - 26mm

STANDARD COLLET SERIES

ER11 Part No.	ER16 Part No.	ER20 Part No.	ER25 Part No.	ER32 Part No.	ER40 Part No.	Inch Range	Metric Range
-	ER16-0031	-	-	-	-	.0312	-
ER11-0039*	ER16-0039	-	ER25-0039	-	-	.0197-.0394	.5-1
ER11-0059*	-	-	-	-	-	.0394-.0590	1-1.5
-	ER16-0062	ER20-0062	ER25-0062	-	-	.0400-.0620	-
ER11-0078*	ER16-0078	ER20-0078	ER25-0078	-	-	.0390-.0787	1-2
-	ER16-0093	ER20-0093	ER25-0093	ER32-0093	-	.0540-.0930	-
ER11-0098*	ER16-0098	-	-	-	-	.0590-.0984	1.5-2.5
ER11-0118*	ER16-0118	ER20-0118	ER25-0118	ER32-0118	-	.0787-.1181	2-3
-	ER16-0125	ER20-0125	ER25-0125	ER32-0125	ER40-0125	.0860-.1250	-
ER11-0137*	ER16-0137	-	-	-	-	.0980-.1378	2.5-3.5
-	ER16-0156	ER20-0156	-	ER32-0156	-	.1170-.1560	-
ER11-0157*	ER16-0157	ER20-0157	ER25-0157	ER32-0157	ER40-0157	.1181-.1575	3-4
ER11-0177*	ER16-0177	-	-	-	-	.1575-.1772	4-4.5
-	ER16-0187	ER20-0187	ER25-0187	ER32-0187	ER40-0187	.1480-.1870	-
ER11-0196*	ER16-0196	ER20-0196	ER25-0196	ER32-0196	ER40-0196	.1575-.1969	4-5
ER11-0216*	ER16-0216	-	-	-	-	.1770-.2165	4.5-5.5
-	ER16-0218	ER20-0218	ER20-0218	ER32-0218	ER40-0218	.1790-.2180	-
ER11-0236*	ER16-0236	ER20-0236	ER25-0236	ER32-0236	ER40-0236	.1969-.2362	5-6
-	ER16-0250	ER20-0250	ER25-0250	ER32-0250	ER40-0250	.2110-.2500	-
ER11-0255*	ER16-0255	-	-	-	-	.2170- .2559	5.5-6.5
ER11-0275*	ER16-0275	ER20-0275	ER25-0275	ER32-0275	ER40-0275	.2362-.2756	6-7
-	ER16-0281	ER20-0281	ER25-0281	ER32-0281	-	.2420-.2810	-
-	ER16-0295	-	-	-	-	.2560-.2950	7-7.5
-	ER16-0312	ER20-0312	ER25-0312	ER32-0312	ER40-0312	.2730-.3120	-
-	ER16-0315	ER20-0315	ER25-0315	ER32-0315	ER40-0315	.2756-.3150	7-8
-	ER16-0334	-	-	-	-	.2960-.3340	8-8.5
-	ER16-0343	ER20-0343	ER25-343	ER32-0343	ER40-0343	.3040-.3430	-
-	ER16-0354	ER20-0354	ER25-0354	ER32-0354	ER40-0354	.3150-.3543	8 – 9
-	ER16-0375	ER20-0375	ER25-0375	ER32-0375	ER40-0375	.3360-.3750	-
-	ER16-0393	ER20-0393	ER25-0393	ER32-0393	ER40-0393	.3543-.3937	9-10
-	ER16-0406	ER20-0406	ER25-0406	ER32-0406	ER40-0406	.3666-.4060	-
-	-	ER20-0433	ER25-0433	ER32-0433	ER40-0433	.3937-.4331	10-11
-	-	ER20-0437	ER25-0437	ER32-0437	ER40-0437	.3980.4370	-
-	-	ER20-468	ER25-468	ER32-0468	-	.4290-.4680	-
-	-	ER20-0472	ER25-0472	ER32-0472	ER40-0472	.4331-.4724	11-12
-	-	ER20-0500	ER25-0500	ER32-0500	ER40-0500	.4610-.5000	-
-	-	ER20-0511	ER25-0511	ER32-0511	ER40-0511	.4724-.5118	12-13
-	-	-	-	ER32-0531	ER40-0531	.4920-.5310	-
-	-	-	ER25-0551	ER32-0551	ER40-0551	.5118-.5512	13-14
-	-	-	ER25-0562	ER32-0562	ER40-0562	.5230-.5620	-
-	-	-	ER25-0590	ER32-0590	ER40-0590	.5512-.5906	14-15
-	-	-	ER25-0625	ER32-0625	ER40-0625	.5860-.6250	-
-	-	-	ER25-0630	ER32-0630	ER40-0630	.5906-.6299	15-16
-	-	-	-	ER32-0656	-	.6170-.6560	-
-	-	-	-	ER32-0669	ER40-0669	.6299-.6693	16-17
-	-	-	-	ER32-0687	ER40-0687	.6480-.6870	-
-	-	-	-	ER32-0708	ER40-0708	.6693-.7087	17-18
-	-	-	-	ER32-0748	ER40-0748	.7087-.7480	18-19
-	-	-	-	ER32-0750	ER40-0750	.7110-.7500	-
-	-	-	-	ER32-0787	ER40-0787	.7480-.7874	19-20
-	-	-	-	-	ER40-0826	.7874-.8268	20-21
-	-	-	-	-	ER40-0866	.8268-.8661	21-22
-	-	-	-	-	ER40-0875	.8360-.8750	-
-	-	-	-	-	ER40-0905	.8661-.9055	22-23
-	-	-	-	-	ER40-0944	.9055-.9449	23-24
-	-	-	-	-	ER40-0984	.9449-.9843	24-25
-	-	-	-	-	ER40-1000	.9610-1.0000	-
-	-	-	-	-	ER40-1023	.9843-1.0236	25-26
-	-	-	-	-	ER40-1063	1.0236-1.0630	26-27
-	-	-	-	-	ER40-1102	1.0630-1.1024	27-28
-	-	-	-	-	ER40-1141	1.1024-1.1418	28-29
Other sizes available upon request. Please call Parlec or your local Parlec representative for more information.*ER11 maximum collapse range is .020" (.5mm)