Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

TECHNIKS Collet: ER40 - Standard ER Collets
TECHNIKSStandard ER Collets

TECHNIKS Collet: ER40

The TECHNIKS Collet: ER40, 12 mm is a standard ER collet from the brand TECHNIKS, identified by manufacturer part number 04240-12. This product is designed for holding tools with a 12 mm shank diameter in an ER40…

SKU 3G-OTH-311368

Brand
TECHNIKS
Item
Collet: ER40
Category
Standard ER Collets
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

TECHNIKS
Manufacturer Part Number
04240-12
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The TECHNIKS Collet: ER40, 12 mm is a standard ER collet from the brand TECHNIKS, identified by manufacturer part number 04240-12. This product is designed for holding tools with a 12 mm shank diameter in an ER40 collet chuck system.

Frequently Asked Questions

What is the TECHNIKS ER40 12 mm collet used for?

The TECHNIKS ER40 12 mm collet is used to securely hold cutting tools with a 12 mm shank diameter in an ER40 collet chuck system. It is commonly applied in CNC milling, drilling, and machining operations where precise tool clamping and concentricity are required for industrial metalworking.

What are the specifications of the TECHNIKS ER40 12 mm collet?

The TECHNIKS ER40 12 mm collet has manufacturer part number 04240-12. It is a standard ER collet designed for a 12 mm shank diameter and fits ER40 collet chucks. The collet is made by TECHNIKS and is suitable for precision tool holding in machining applications.

Where to buy TECHNIKS ER40 12 mm collet worldwide?

You can source the TECHNIKS ER40 12 mm collet (MPN 04240-12) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for availability and lead time on this TECHNIKS collet.

How to select the correct TECHNIKS ER collet for a 12 mm shank?

To select the correct TECHNIKS ER collet, match the collet size to your tool shank diameter. For a 12 mm shank, use an ER40 collet with a 12 mm bore, such as the TECHNIKS 04240-12. Ensure the collet chuck is ER40 compatible and that the collet is clean before installation for optimal clamping accuracy.

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 standard er collets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
TECHNIKS Collet: ER40, 14 mm (MPN 04240-14). Key specifications — attr1033353: 04240-14; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER40, 14 mm (MPN 04240-14). Key specifications — attr1033353: 04240-14; attr1033354: TECHNIKS.
TECHNIKS Collet: ER40, 18 mm (MPN 04240-18). Key specifications — attr1033353: 04240-18; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER40, 18 mm (MPN 04240-18). Key specifications — attr1033353: 04240-18; attr1033354: TECHNIKS.
TECHNIKS Collet: ER32, 14 mm (MPN 04232-14). Key specifications — attr1033353: 04232-14; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER32, 14 mm (MPN 04232-14). Key specifications — attr1033353: 04232-14; attr1033354: TECHNIKS.
TECHNIKS Collet: ER20, 12.5 mm (MPN 04220-12.5). Key specifications — attr1033353: 04220-12.5; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER20, 12.5 mm (MPN 04220-12.5). Key specifications — attr1033353: 04220-12.5; attr1033354: TECHNIKS.
TECHNIKS Collet: ER32, 18 mm (MPN 04232-18). Key specifications — attr1033353: 04232-18; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER32, 18 mm (MPN 04232-18). Key specifications — attr1033353: 04232-18; attr1033354: TECHNIKS.
TECHNIKS Collet: ER40, 13/16 in (MPN 04240-13/16). Key specifications — attr1033353: 04240-13/16; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER40, 13/16 in (MPN 04240-13/16). Key specifications — attr1033353: 04240-13/16; attr1033354: TECHNIKS.

More from TECHNIKS

View all TECHNIKS parts
TECHNIKS Collet: ER16, 3/8 in (MPN 04216-3/8). Key specifications — attr1033353: 04216-3/8; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER16, 3/8 in (MPN 04216-3/8). Key specifications — attr1033353: 04216-3/8; attr1033354: TECHNIKS.
TECHNIKS Collet: ER16, 7/32 in (MPN 04216-7/32). Key specifications — attr1033353: 04216-7/32; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER16, 7/32 in (MPN 04216-7/32). Key specifications — attr1033353: 04216-7/32; attr1033354: TECHNIKS.
TECHNIKS Collet: ER40, 11 mm (MPN 04240-11). Key specifications — attr1033353: 04240-11; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER40, 11 mm (MPN 04240-11). Key specifications — attr1033353: 04240-11; attr1033354: TECHNIKS.
TECHNIKS Collet: ER20, 1/2 in (MPN 04220-1/2). Key specifications — attr1033353: 04220-1/2; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER20, 1/2 in (MPN 04220-1/2). Key specifications — attr1033353: 04220-1/2; attr1033354: TECHNIKS.
TECHNIKS Collet: ER16, 4 mm (MPN 04216-04). Key specifications — attr1033353: 04216-04; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER16, 4 mm (MPN 04216-04). Key specifications — attr1033353: 04216-04; attr1033354: TECHNIKS.
TECHNIKS Collet: ER20, 6 mm (MPN 04220-06). Key specifications — attr1033353: 04220-06; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER20, 6 mm (MPN 04220-06). Key specifications — attr1033353: 04220-06; attr1033354: TECHNIKS.
TECHNIKS Collet: ER8, 4.5 mm (MPN 04208-04.5). Key specifications — attr1033353: 04208-04.5; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER8, 4.5 mm (MPN 04208-04.5). Key specifications — attr1033353: 04208-04.5; attr1033354: TECHNIKS.
TECHNIKS Collet: ER20, 7 mm (MPN 04220-07). Key specifications — attr1033353: 04220-07; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER20, 7 mm (MPN 04220-07). Key specifications — attr1033353: 04220-07; attr1033354: TECHNIKS.