LYNDEX-NIKKENHigh-Precision Taper-Mount Keyless Drill Chucks for CNCs

LYNDEX-NIKKEN Drill Chuck: CAT40, 5/16 in Capacity

The LYNDEX-NIKKEN Drill Chuck is a high-precision taper-mount keyless drill chuck for CNCs, model CAT40-NPU8-80U, with a CAT40 taper and 5/16 in capacity. It features a ball bearing design for smooth operation.

SKU 3G-OTH-252819

Also listed as: CAT40NPU880U · CAT40 NPU8 80U

Brand

LYNDEX-NIKKEN

Item

Drill Chuck: CAT40, 5/16 in Capacity

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

CAT40-NPU8-80U 

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 CAT40-NPU8-80U drill chuck used for?

This high-precision taper-mount keyless drill chuck is used in CNC machining centers to hold cutting tools with shanks up to 5/16 in. Its CAT40 taper mounts directly into the spindle, and the ball bearing design ensures smooth, accurate drilling and milling operations.

What are the specifications of the LYNDEX-NIKKEN CAT40-NPU8-80U?

The LYNDEX-NIKKEN CAT40-NPU8-80U is a keyless drill chuck with a CAT40 taper and a 5/16 in capacity. It features a ball bearing design for reduced friction and high concentricity. The manufacturer part number is CAT40-NPU8-80U.

Where to buy the LYNDEX-NIKKEN CAT40-NPU8-80U worldwide?

3G Electric supplies the LYNDEX-NIKKEN CAT40-NPU8-80U drill chuck to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this precision CNC tooling component.

How to install a CAT40 keyless drill chuck on a CNC spindle?

Clean the spindle taper and chuck taper thoroughly. Align the drive keys and insert the chuck into the spindle. Tighten the drawbar or retention knob to the manufacturer's torque specification. Always verify runout with a dial indicator before use.

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 high-precision taper-mount keyless drill chucks for cncs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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