TECHNIKS Collet Chuck Extension: ER11, 3/4 in Shank Dia
The TECHNIKS Double-End ER Collet Chuck Extension (MPN 04802-DE) is an ER11 type with a 3/4 in shank diameter and 12 mm projection, designed for coolant-through applications. 3G Electric interprets your demand for…
SKU 3G-OTH-455342
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Product Description
The TECHNIKS Double-End ER Collet Chuck Extension (MPN 04802-DE) is an ER11 type with a 3/4 in shank diameter and 12 mm projection, designed for coolant-through applications. 3G Electric interprets your demand for this precision tooling component, sourcing it from our extensive network across 14 industrial departments — with specialist depth in machining and controls — to deliver a quoted solution backed by technical support.
Frequently Asked Questions
What is a TECHNIKS Double-End ER Collet Chuck Extension used for?
This extension is used in CNC milling and machining centers to hold ER11 collets, enabling tool reach in deep cavities or complex workpieces. Its coolant-through design allows cutting fluid to flow directly to the tool edge, improving chip evacuation and tool life in high-precision metalworking operations.
What are the specifications of the TECHNIKS 04802-DE collet chuck extension?
The TECHNIKS 04802-DE is a double-end ER11 collet chuck extension with a 3/4 in shank diameter and 12 mm projection. It features coolant-through capability for enhanced machining performance. This precision tooling is designed for use with ER11 collets in industrial milling applications.
Where to buy TECHNIKS collet chuck extensions worldwide?
3G Electric supplies the TECHNIKS 04802-DE collet chuck extension to customers worldwide. We handle full logistics and customs clearance, sourcing this precision tooling from our network across 14 industrial departments. Contact us for a quoted solution with technical support for your machining needs.
How to select the correct ER collet chuck extension for a milling machine?
Match the shank diameter to your machine spindle or holder (e.g., 3/4 in for this TECHNIKS extension). Choose projection length (12 mm here) based on required tool reach. Ensure the collet type (ER11) fits your tool shank. For coolant-through applications, verify the extension and collet are compatible with your coolant system.
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3G Electric supplies TECHNIKS double-end er collet chuck extensions. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.




