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TECHNIKS Collet: ER40 - Standard ER Collets
TECHNIKSStandard ER Collets

TECHNIKS Collet: ER40

The TECHNIKS Collet: ER40, 5/16 in (MPN 04240-5/16) is a standard ER collet from TECHNIKS. It is designed for use with ER40 collet chucks to hold 5/16-inch diameter tool shanks.

SKU 3G-OTH-311532

Also listed as: 04240516 · 04240 5 16 · 04240-5-16

Brand
TECHNIKS
Item
Collet: ER40
Category
Standard ER Collets
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Technical Specifications

TECHNIKS
Manufacturer Part Number
04240-5/16

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

Product Description

The TECHNIKS Collet: ER40, 5/16 in (MPN 04240-5/16) is a standard ER collet from TECHNIKS. It is designed for use with ER40 collet chucks to hold 5/16-inch diameter tool shanks.

Frequently Asked Questions

What is the TECHNIKS ER40 collet 5/16 in used for?

The TECHNIKS ER40 collet 5/16 in (MPN 04240-5/16) is used to securely hold 5/16-inch diameter tool shanks in ER40 collet chucks. It is commonly applied in CNC milling, drilling, and machining operations where precise tool clamping and concentricity are required for consistent cutting performance.

What are the specifications of the TECHNIKS collet 04240-5/16?

The TECHNIKS collet 04240-5/16 is a standard ER40 collet designed for 5/16-inch diameter tool shanks. The manufacturer part number is 04240-5/16, and the brand is TECHNIKS. It fits ER40 collet chucks and is suitable for general machining applications requiring reliable tool holding.

Where to buy TECHNIKS ER40 collet 5/16 in worldwide?

3G Electric supplies the TECHNIKS ER40 collet 5/16 in (04240-5/16) to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to source this collet for your machining operations.

How to select the correct ER collet size for a 5/16 in shank?

To select the correct ER collet for a 5/16 in shank, choose an ER40 collet with a 5/16-inch bore diameter, such as the TECHNIKS 04240-5/16. Ensure the collet matches your chuck type (ER40) and that the shank is clean and within tolerance for proper 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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
TECHNIKS Collet: ER40, 5/8 in (MPN 04240-5/8)
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