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JACOBS High-Precision Taper-Mount Keyed Drill Chuck - High-Precision Taper-Mount Keyed Drill Chucks
JACOBSHigh-Precision Taper-Mount Keyed Drill Chucks

JACOBS High-Precision Taper-Mount Keyed Drill Chuck

The JACOBS Drill Chuck, model JCM30221, is a high-precision taper-mount keyed drill chuck with a JT3 mount and a capacity range of 3/64 in to 1/2 in. It features a K3 key and ball bearing construction. This product…

SKU 3G-OTH-04492

Also listed as: JCM 30221 · JCM-30221

Brand
JACOBS
Item
High-Precision Taper-Mount Keyed Drill Chuck
Part Number
JCM30221
Category
High-Precision Taper-Mount Keyed Drill Chucks
Available to Order
Also known as:JCM30221JACOBS
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

JACOBS
Manufacturer Part Number
JCM30221

Technical Documents

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

Product Description

The JACOBS Drill Chuck, model JCM30221, is a high-precision taper-mount keyed drill chuck with a JT3 mount and a capacity range of 3/64 in to 1/2 in. It features a K3 key and ball bearing construction. This product is manufactured by JACOBS.

Frequently Asked Questions

What is the JACOBS JCM30221 drill chuck used for?

The JACOBS JCM30221 is a high-precision taper-mount keyed drill chuck used for gripping drill bits in industrial drilling applications. It is designed for use with machine tools and drill presses requiring a JT3 taper mount, providing secure bit retention and concentricity for accurate hole drilling in metal, wood, and plastics.

What are the specifications of the JACOBS JCM30221 drill chuck?

The JACOBS JCM30221 drill chuck has a JT3 taper mount, a capacity range of 3/64 in to 1/2 in, and uses a K3 key for tightening. It features ball bearing construction for smooth operation and reduced wear. The manufacturer part number is JCM30221, and it is made by JACOBS.

Where to buy the JACOBS JCM30221 drill chuck in Singapore?

You can source the JACOBS JCM30221 drill chuck through 3G Electric in Singapore. We supply industrial tooling and handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this JACOBS high-precision keyed drill chuck.

How to install a JACOBS JCM30221 taper-mount drill chuck?

To install the JACOBS JCM30221, clean the JT3 taper on both the chuck and the spindle, then align and firmly seat the chuck onto the taper using a soft-faced mallet or arbor press. Ensure the K3 key is used to tighten the jaws around the bit. Always follow the machine manufacturer's instructions for safe operation.

Used in

Common applications for JACOBS
Metalworking job shops — JACOBS MT3 to MT3 Morse taper extension (30450DN) for extending reach when drilling deep holes on a milling machine.
Automotive engine rebuilding — JACOBS MT2 to MT2 Morse taper extension (30446N) used in a drill press to adapt short tooling for cylinder head work.
Aerospace component manufacturing — JACOBS MT4 to MT5 Morse taper extension socket (30455DN) to adapt MT4 tooling to an MT5 spindle on a large machining center.
General maintenance and repair — JACOBS MT3 to MT2 Morse taper extension (30447DN) for adapting MT2 shank tools to an MT3 spindle in a maintenance workshop.
Tool rooms and die maintenance — JACOBS MT5 to MT4 Morse taper extension (30454N) to reduce from MT5 spindle to MT4 tooling for precision reaming operations.
Heavy equipment repair — JACOBS MT3 to MT4 Morse taper extension (30452N) used in a radial arm drill to adapt MT3 tools to an MT4 spindle for large hole drilling.
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JACOBS Products

3G Electric supplies JACOBS high-precision taper-mount keyed drill chucks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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