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TECHNIKS Collet Chuck Extension: ER20, 20 mm Shank Dia - ER Collet Chuck Extensions
TECHNIKSER Collet Chuck Extensions

TECHNIKS Collet Chuck Extension: ER20, 20 mm Shank Dia

The TECHNIKS Collet Chuck Extension (MPN 04881) is an ER20 collet chuck extension with a 20 mm shank diameter and 40 mm projection. It features coolant-through capability for enhanced machining operations.

SKU 3G-OTH-322424

Brand
TECHNIKS
Item
Collet Chuck Extension: ER20, 20 mm Shank Dia
Category
ER Collet Chuck Extensions
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Technical Specifications

TECHNIKS
Manufacturer Part Number
04881

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

Product Description

The TECHNIKS Collet Chuck Extension (MPN 04881) is an ER20 collet chuck extension with a 20 mm shank diameter and 40 mm projection. It features coolant-through capability for enhanced machining operations.

Frequently Asked Questions

What is the TECHNIKS Collet Chuck Extension ER20 used for?

The TECHNIKS Collet Chuck Extension ER20 (MPN 04881) is used in CNC milling and machining centers to hold ER20 collets, extending tool reach for deep-cavity work. Its coolant-through design allows cutting fluid to flow directly to the tool edge, improving chip evacuation and tool life in metalworking applications.

What are the specifications of the TECHNIKS Collet Chuck Extension ER20?

The TECHNIKS Collet Chuck Extension (MPN 04881) has a 20 mm shank diameter, 40 mm projection, and accepts ER20 collets. It features coolant-through capability for enhanced machining. The brand is TECHNIKS, and the part number is 04881.

Where to buy the TECHNIKS Collet Chuck Extension ER20 worldwide?

You can source the TECHNIKS Collet Chuck Extension ER20 (MPN 04881) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the product reaches your facility reliably.

How to install a TECHNIKS Collet Chuck Extension ER20?

To install the TECHNIKS Collet Chuck Extension, first clean the shank and spindle bore. Insert the extension into the spindle and tighten the drawbar or retention knob to the manufacturer's torque spec. Then insert the ER20 collet and nut, place the tool, and tighten the nut with a wrench. Always follow machine safety procedures.

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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