We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

TECHNIKS Collet: ER40 - Standard ER Collets
TECHNIKSStandard ER Collets

TECHNIKS Collet: ER40

The TECHNIKS Collet: ER40, 25/32 in (MPN 04240-25/32) is a standard ER collet from TECHNIKS. It is designed for use with ER40 collet chucks and accommodates a 25/32 inch tool shank diameter.

SKU 3G-OTH-311538

Also listed as: 042402532 · 04240 25 32 · 04240-25-32

Brand
TECHNIKS
Item
Collet: ER40
Category
Standard ER Collets
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

TECHNIKS
Manufacturer Part Number
04240-25/32

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, 25/32 in (MPN 04240-25/32) is a standard ER collet from TECHNIKS. It is designed for use with ER40 collet chucks and accommodates a 25/32 inch tool shank diameter.

Frequently Asked Questions

What is the TECHNIKS ER40 collet 04240-25/32 used for?

The TECHNIKS ER40 collet 04240-25/32 is used to securely hold a 25/32 inch diameter tool shank in an ER40 collet chuck. It is commonly applied in CNC milling, drilling, and machining operations where precise tool clamping and concentricity are required.

What are the specifications of the TECHNIKS collet 04240-25/32?

The TECHNIKS collet 04240-25/32 is a standard ER40 collet that accommodates a 25/32 inch tool shank diameter. The manufacturer part number is 04240-25/32. It is designed for use with ER40 collet chucks in industrial machining applications.

Where to buy TECHNIKS collet 04240-25/32 worldwide?

3G Electric supplies the TECHNIKS collet 04240-25/32 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this ER40 collet for your machining operations.

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 example, the TECHNIKS 04240-25/32 fits a 25/32 inch shank. Using the correct size ensures clamping force and runout 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
TECHNIKS Collet: ER40, 29/32 in (MPN 04240-29/32)
TECHNIKS
TECHNIKS Collet: ER40, 29/32 in (MPN 04240-29/32)
TECHNIKS Collet: ER40, 31/32 in (MPN 04240-31/32)
TECHNIKS
TECHNIKS Collet: ER40, 31/32 in (MPN 04240-31/32)
TECHNIKS Collet: ER40, 27/32 in (MPN 04240-27/32)
TECHNIKS
TECHNIKS Collet: ER40, 27/32 in (MPN 04240-27/32)
TECHNIKS Collet: ER40, 13/16 in (MPN 04240-13/16)
TECHNIKS
TECHNIKS Collet: ER40, 13/16 in (MPN 04240-13/16)
TECHNIKS Collet: ER40, 15/16 in (MPN 04240-15/16)
TECHNIKS
TECHNIKS Collet: ER40, 15/16 in (MPN 04240-15/16)
TECHNIKS Collet: ER40, 14 mm (MPN 04240-14)
TECHNIKS
TECHNIKS Collet: ER40, 14 mm (MPN 04240-14)

More from TECHNIKS

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