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Haimer Hydraulic Chuck Standard, D = 25 mm, short, SK40 Tool Holder 40.4H10.25 (0838523)

Haimer Hydraulic Chuck Standard, D = 25 mm, short, SK40 Tool Holder 40.4H10.25 (0838523)

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Haimer Part Number: 40.4H10.25

HAIMER is a global leader in tool holding, balancing, and presetting technology. Founded in 1977 and headquartered in Igenhausen, Germany, HAIMER offers premium shrink fit chucks, tool balancing machines, and precision tool holders trusted in high-performance machining environments worldwide.

This product is priced singly and comes in packs of 1.

Please note that the actual item may not be/look exactly the same as shown in the item picture(s).

Properties
Name Haimer Hydraulic Chuck Standard, D = 25 mm, short, SK40 Tool Holder 40.4H10.25
EDP # 0838523
Weight (1 pc.) 56.0 oz 1601 g
A-length version short
Diameter 1 / D1 0.9840" 25.000 mm
Interface SK40
Length A / A 3.1690" 80.500 mm

Product Features:

- Standard Hydraulic Chuck, DIN ISO 7388-1, SK40

- (previously DIN 69871)

- Chuck body fine balanced G2.5 at 25.000 rpm or U < 1 gmm

- Runout accuracy < 3 µm

- Standard hydraulic chucks, specifically suitable for drilling and finishing milling operations.

- Taper DIN ISO 7388-1 SK40 Form AD/AF

- The form AD/AF provides internal coolant supply as standard, either centrally through the pull stud (AD version) or via coolant channels through the flange (AF version).

- Hydraulic chucks are a high-precision clamping technology. Their functionality is based on a hydraulic chamber that expands slightly during clamping, fixing the tool evenly and with high precision. They offer excellent runout accuracy and high vibration damping.

- Suitable for cylindrical shanks according to DIN 6535 Form HA as well as shanks according to DIN 6535 Form HB with shank tolerance h6

- Increased tool life due to highest runout accurancy and repeatability

- Tool changes in seconds without peripheral equipment

- Excellent vibration dampening

- With length adjustment screw

-

Background Information:

The SK system utilizes a proven 'fast taper' (7:24) self-releasing format. These conform to DIN ISO 7388-1 (formerly DIN 69871). Note that ISO, CAT, BT, and SK are NOT interchangeable even though they use the same basic taper!.


Company History:

Family-owned since 1977, HAIMER has grown from a precision parts specialist into a global tooling solutions supplier with operations across Europe, North America, and Asia.

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