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TECHNIKS Collet Chuck Extension: ER11, 1/2 in Shank Dia - ER Collet Chuck Extensions
TECHNIKSER Collet Chuck Extensions

TECHNIKS Collet Chuck Extension: ER11, 1/2 in Shank Dia

The TECHNIKS Collet Chuck Extension is an ER11 collet chuck extension with a 1/2 in shank diameter and 26.5 mm projection, designed for coolant-through applications. This product, manufactured by TECHNIKS under part…

SKU 3G-OTH-322413

Brand
TECHNIKS
Item
Collet Chuck Extension: ER11, 1/2 in Shank Dia
Category
ER Collet Chuck Extensions
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

TECHNIKS
Manufacturer Part Number
04891

Technical Documents

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TECHNIKS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TECHNIKS Collet Chuck Extension is an ER11 collet chuck extension with a 1/2 in shank diameter and 26.5 mm projection, designed for coolant-through applications. This product, manufactured by TECHNIKS under part number 04891, supports through-coolant operation for efficient chip evacuation and cooling during machining.

Frequently Asked Questions

What is the TECHNIKS Collet Chuck Extension 04891 used for?

The TECHNIKS Collet Chuck Extension 04891 is used in CNC milling and machining centers to extend the reach of ER11 collet chucks. Its coolant-through design enables efficient chip evacuation and cooling during high-speed cutting operations, improving tool life and surface finish.

What are the specifications of the TECHNIKS Collet Chuck Extension 04891?

The TECHNIKS Collet Chuck Extension 04891 is an ER11 collet chuck extension with a 1/2 in shank diameter and 26.5 mm projection. It supports coolant-through operation for effective chip evacuation and cooling. The manufacturer part number is 04891.

Where to buy the TECHNIKS Collet Chuck Extension 04891 worldwide?

3G Electric supplies the TECHNIKS Collet Chuck Extension 04891 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this coolant-through ER11 extension.

How to select the correct TECHNIKS collet chuck extension?

To select the correct TECHNIKS collet chuck extension, match the shank diameter (1/2 in for model 04891) to your machine spindle or holder, and choose the ER11 collet size for your tool shank. Verify projection length (26.5 mm) clears your workpiece and fixtures. Confirm coolant-through capability if needed.

Used in

Common applications for TECHNIKS
CNC milling — TECHNIKS BT40 end mill holders with coolant-through-spindle for high-speed machining of steel and aluminum.
High-pressure coolant machining — TECHNIKS sealed ER20 coolant collets for deep-hole drilling and chip evacuation in aerospace components.
Precision tool holding — TECHNIKS standard ER32 collets for holding drills and reamers in automated lathe operations.
Heavy-duty milling — TECHNIKS TG150 collets for clamping large-diameter tools in roughing operations on cast iron.
Coolant-through-spindle applications — TECHNIKS plug-style ER40 coolant collets for delivering coolant to the cutting edge in multi-axis machining centers.

TECHNIKS Products

3G Electric supplies TECHNIKS er collet chuck extensions. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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TECHNIKS Collet Chuck Extension: ER11, 1/2 in Shank Dia, 21.6 mm Projection (MPN 04855)
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