HAIMER ER collets are used for the precise clamping of tools with a cylindrical shank. They ensure maximum process reliability while offering high flexibility and are compatible with all common ER collet chucks.
ER Collets - Sealed with Cool Jet
High Precision Collets ER
ER Collets - Sealed with Cool Jet
High Precision Collets ER
Quality pass
Original HAIMER accessory
- High polished finish for extra accuracy and long life, especially when clamped in HAIMER ER collet chucks
- ISO 15488 (previously DIN 6499)
- Superior clamping strength
- Fits all brands of ER collet chucks
- Runout accuracy 3 μm
- With Cool Jet bores for optimum coolant supply
- For cylindrical shanks h8 or better
ER Collets - Sealed with Cool Jet

Description | Norm: | Value: metric/ inch |
---|---|---|
ER size | ER25 | |
Nominal diameter | 0.157 inch | |
Diameter | D | 1.024 inch |
Length | L | 1.457 inch |
Description
ER Collets - Sealed with Cool Jet
High Precision Collets ER
Quality pass
Original HAIMER accessory
HAIMER ER collets are used for the precise clamping of tools with a cylindrical shank. They ensure maximum process reliability while offering high flexibility and are compatible with all common ER collet chucks.
- High polished finish for extra accuracy and long life, especially when clamped in HAIMER ER collet chucks
- ISO 15488 (previously DIN 6499)
- Superior clamping strength
- Fits all brands of ER collet chucks
- Runout accuracy 3 μm
- With Cool Jet bores for optimum coolant supply
- For cylindrical shanks h8 or better
Technical specifications
ER Collets - Sealed with Cool Jet

Description | Norm: | Value: metric/ inch |
---|---|---|
ER size | ER25 | |
Nominal diameter | 0.157 inch | |
Diameter | D | 1.024 inch |
Length | L | 1.457 inch |
All product variants
With the help of our filter you can refine your search by selecting attributes.
Filter
Order No. | ER size | Downloads | metric/ inch |
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81.252.04 | ER25 |
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81.252.06 | ER25 |
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81.252.08 | ER25 |
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81.252.10 | ER25 |
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81.252.12 | ER25 |
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81.252.14 | ER25 |
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81.322.04 | ER32 |
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81.322.06 | ER32 |
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81.322.08 | ER32 |
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81.322.10 | ER32 |
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81.322.12 | ER32 |
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81.322.14 | ER32 |
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81.322.16 | ER32 |
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81.322.18 | ER32 |
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81.322.20 | ER32 |
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Haimer Care

The quality at Haimer is not only
by the product, but also by the
accompanying services.
Scope of service
- Early wear detection
- Preservation of the target condition
- High availability of HAIMER specialists
- Consistent quality level
- Prerequisite for certification according to ISO 9001