LYNDEX-NIKKEN Collet: 3J, Square

The LYNDEX-NIKKEN Square 3J Collet, model 340-040, is a square collet designed for 5/8 in workpieces. This collet is manufactured by LYNDEX-NIKKEN and is identified by manufacturer part number 340-040.

SKU 3G-OTH-262577

Also listed as: 340040 · 340 040

Brand

LYNDEX-NIKKEN

Item

Collet: 3J, Square

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

LYNDEX-NIKKEN

Manufacturer Part Number

340-040 

Technical Documents

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LYNDEX-NIKKEN Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the LYNDEX-NIKKEN Square 3J Collet used for?

The LYNDEX-NIKKEN Square 3J Collet, model 340-040, is used to hold square 5/8 in workpieces securely in machining operations such as milling and turning. It provides precise gripping for square stock, reducing runout and improving part accuracy in industrial manufacturing.

What are the specifications of the LYNDEX-NIKKEN 340-040 collet?

The LYNDEX-NIKKEN 340-040 is a Square 3J Collet designed for 5/8 in square workpieces. It is manufactured by LYNDEX-NIKKEN with manufacturer part number 340-040. This collet is suitable for use in CNC lathes and milling machines requiring 3J series toolholding systems.

Where to buy LYNDEX-NIKKEN collets in Singapore?

3G Electric supplies the LYNDEX-NIKKEN Square 3J Collet 340-040 to Singapore. We source genuine industrial tooling and handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other LYNDEX-NIKKEN collets.

How to select the right LYNDEX-NIKKEN collet for square stock?

Select a LYNDEX-NIKKEN Square 3J Collet that matches your workpiece size, such as the 340-040 for 5/8 in square stock. Ensure the collet series (3J) is compatible with your spindle or holder. For best results, verify the collet's gripping range and torque specifications from the manufacturer.

Used in

Common applications for LYNDEX-NIKKEN

General CNC milling — LYNDEX-NIKKEN ER40 collets (e.g., E40-984) for holding end mills in vertical machining centers.

Lathe workholding — LYNDEX-NIKKEN 5C round collets (e.g., 520-017) for clamping cylindrical workpieces in CNC lathes.

Tapping operations — LYNDEX-NIKKEN rigid tap collets (e.g., ET40-700) for rigid tapping on machining centers.

European machine tool spindles — LYNDEX-NIKKEN SK10 and SK16 collets (e.g., SK10-9, SK16-9.5) for SK taper spindles.

Hex workpiece clamping — LYNDEX-NIKKEN 16C hex collets (e.g., 163-040) for holding hex-shaped stock in grinding or milling fixtures.

Precision toolholding for small diameters — LYNDEX-NIKKEN ER16 collets (e.g., E16-078) for 2 mm shank tools in micro-machining.

LYNDEX-NIKKEN Products

3G Electric supplies LYNDEX-NIKKEN square 3j collets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all LYNDEX-NIKKEN products →Contact our engineers →