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, 3/4 in is a standard ER collet from TECHNIKS, identified by manufacturer part number 04240-3/4. This collet is designed for use with ER40 collet chucks to hold 3/4-inch diameter tool shanks.

SKU 3G-OTH-311176

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
04240-3/4
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, 3/4 in is a standard ER collet from TECHNIKS, identified by manufacturer part number 04240-3/4. This collet is designed for use with ER40 collet chucks to hold 3/4-inch diameter tool shanks.

Frequently Asked Questions

What is the TECHNIKS ER40 collet 04240-3/4 used for?

The TECHNIKS ER40 collet 04240-3/4 is used to securely hold 3/4-inch diameter tool shanks in ER40 collet chucks. It is a standard collet for machining operations such as milling, drilling, and reaming, providing concentric clamping for precision work in industrial metalworking.

What are the specifications of the TECHNIKS collet 04240-3/4?

The TECHNIKS collet 04240-3/4 is an ER40 standard collet with a 3/4-inch clamping diameter. Its manufacturer part number is 04240-3/4. It is designed for use with ER40 collet chucks to hold tool shanks of matching diameter in machining applications.

Where to buy TECHNIKS collet 04240-3/4 worldwide?

3G Electric supplies the TECHNIKS collet 04240-3/4 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this ER40 collet for your machining needs.

How to select the correct ER40 collet size for a tool shank?

To select the correct ER40 collet, measure the tool shank diameter precisely. The collet must match that diameter exactly; for a 3/4-inch shank, use a 3/4-inch ER40 collet like the TECHNIKS 04240-3/4. Always verify the collet series (ER40) matches your chuck.

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, 3/8 in (MPN 04240-3/8). Key specifications — attr1033353: 04240-3/8; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER40, 3/8 in (MPN 04240-3/8). Key specifications — attr1033353: 04240-3/8; attr1033354: TECHNIKS.
TECHNIKS Collet: ER40, 1/4 in (MPN 04240-1/4). Key specifications — attr1033353: 04240-1/4; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER40, 1/4 in (MPN 04240-1/4). Key specifications — attr1033353: 04240-1/4; attr1033354: TECHNIKS.
TECHNIKS Collet: ER40, 1/2 in (MPN 04240-1/2). Key specifications — attr1033353: 04240-1/2; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER40, 1/2 in (MPN 04240-1/2). Key specifications — attr1033353: 04240-1/2; attr1033354: TECHNIKS.
TECHNIKS Collet: ER40, 7/8 in (MPN 04240-7/8). Key specifications — attr1033353: 04240-7/8; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER40, 7/8 in (MPN 04240-7/8). Key specifications — attr1033353: 04240-7/8; attr1033354: TECHNIKS.
TECHNIKS Collet: ER40, 1/8 in (MPN 04240-1/8). Key specifications — attr1033353: 04240-1/8; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER40, 1/8 in (MPN 04240-1/8). Key specifications — attr1033353: 04240-1/8; attr1033354: TECHNIKS.
TECHNIKS Collet: ER40, 1 in (MPN 04240-1). Key specifications — attr1033353: 04240-1; attr1033354: TECHNIKS.
TECHNIKS
TECHNIKS Collet: ER40, 1 in (MPN 04240-1). Key specifications — attr1033353: 04240-1; 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.