We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

JACOBS Drill Chuck Key: Thumb Handle, K4 - Thumb-Handle Keys for Jacobs Drill Chucks
JACOBSThumb-Handle Keys for Jacobs Drill Chucks

JACOBS Drill Chuck Key: Thumb Handle, K4

The JACOBS Drill Chuck Key: Thumb Handle, K4, 3/8 in Pilot (MPN JCM3655P20) is a thumb-handle key designed for Jacobs drill chucks. It features a K4 size and a 3/8-inch pilot, with specifications including JACOBS…

SKU 3G-OTH-284951

Brand
JACOBS
Item
Drill Chuck Key: Thumb Handle, K4
Category
Thumb-Handle Keys for Jacobs Drill Chucks
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

JACOBS
Manufacturer Part Number
JCM3655P20

Technical Documents

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

Product Description

The JACOBS Drill Chuck Key: Thumb Handle, K4, 3/8 in Pilot (MPN JCM3655P20) is a thumb-handle key designed for Jacobs drill chucks. It features a K4 size and a 3/8-inch pilot, with specifications including JACOBS brand, 18N, and model JCM3655P20.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the JACOBS Drill Chuck Key: Thumb Handle, K4, 3/8 in Pilot used for?

This thumb-handle key is used to tighten or loosen Jacobs drill chucks on industrial drilling equipment. It is designed for K4-size chucks with a 3/8-inch pilot, commonly found in machine shops, manufacturing plants, and maintenance operations where quick chuck adjustments are needed.

What are the specifications of the JACOBS Drill Chuck Key JCM3655P20?

The JACOBS Drill Chuck Key (MPN JCM3655P20) is a thumb-handle key with a K4 size and a 3/8-inch pilot. It is branded JACOBS, carries the model number JCM3655P20, and includes the specification 18N. This key is designed for use with compatible Jacobs drill chucks.

Where to buy the JACOBS Drill Chuck Key JCM3655P20 worldwide?

3G Electric supplies the JACOBS Drill Chuck Key JCM3655P20 to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact our team to place an order or request a quote for this thumb-handle key.

How to select the correct JACOBS drill chuck key for your chuck?

To select the correct key, match the key size (e.g., K4) and pilot diameter (e.g., 3/8 inch) to your Jacobs drill chuck model. The JACOBS brand key JCM3655P20 is designed for K4 chucks. Always verify compatibility by checking the chuck's markings or consulting the manufacturer's documentation before purchasing.

Used in

Common applications for JACOBS
General machining – JACOBS keyed drill chucks (e.g., MPN JCM6214, JT2 mount) for manual drill presses and milling machines.
Production drilling – JACOBS high-precision keyless chucks (e.g., MPN 31415, MT4) for automated CNC drilling centers.
Corrosive environment toolholding – JACOBS stainless steel chucks (e.g., MPN JCM6624Z) for food processing or chemical plant maintenance.
Spindle adaptation – JACOBS Morse taper sleeves (e.g., MPN 30427DN) for retrofitting older machine tools with modern chucks.
Portable drilling – JACOBS thread-mount chucks (e.g., MPN JCM6204, 5/16-24) for hand-held electric drills and magnetic base drills.

JACOBS Products

3G Electric supplies JACOBS thumb-handle 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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