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3G Electric
JACOBS Self-Ejecting Drill Chuck Key, K3C, 5/16 in Pilot - Self-Ejecting Keys for Jacobs Drill Chucks
JACOBSSelf-Ejecting Keys for Jacobs Drill Chucks

JACOBS Self-Ejecting Drill Chuck Key, K3C, 5/16 in Pilot

The JACOBS Drill Chuck Key: K3C, 5/16 in Pilot (MPN JCM2948P) is a self-ejecting key designed for Jacobs drill chucks. It features a 5/16 in pilot size and is identified by the manufacturer part number JCM2948P.

SKU 3G-OTH-278999

Brand
JACOBS
Item
Self-Ejecting Drill Chuck Key, K3C, 5/16 in Pilot
Part Number
JCM2948P
Category
Self-Ejecting Keys for Jacobs Drill Chucks
Available to Order
Also known as:JCM2948PJACOBS
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Local office
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Phone
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Technical Specifications

JACOBS
Manufacturer Part Number
JCM2948P

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

Product Description

The JACOBS Drill Chuck Key: K3C, 5/16 in Pilot (MPN JCM2948P) is a self-ejecting key designed for Jacobs drill chucks. It features a 5/16 in pilot size and is identified by the manufacturer part number JCM2948P.

Frequently Asked Questions

What is the JACOBS Drill Chuck Key K3C used for?

The JACOBS Drill Chuck Key K3C (MPN JCM2948P) is a self-ejecting key used to tighten or loosen Jacobs drill chucks on industrial drilling machines. It is designed for applications requiring a 5/16 in pilot size, common in machining and metalworking operations.

What are the specifications of the JACOBS Drill Chuck Key K3C?

The JACOBS Drill Chuck Key K3C has a 5/16 in pilot size and is identified by manufacturer part number JCM2948P. It is a self-ejecting key designed for Jacobs drill chucks, ensuring secure engagement and easy removal during drilling operations.

Where to buy the JACOBS Drill Chuck Key K3C worldwide?

3G Electric supplies the JACOBS Drill Chuck Key K3C (JCM2948P) worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this self-ejecting key to your facility, supporting machining and maintenance operations across industries.

How to select the correct JACOBS drill chuck key?

To select the correct JACOBS drill chuck key, match the pilot size to your chuck's socket—the K3C uses a 5/16 in pilot. Verify the manufacturer part number (JCM2948P) and ensure the key is self-ejecting for your model. Consult your chuck's documentation or contact 3G Electric for guidance.

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 self-ejecting keys for jacobs 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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