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JACOBS Morse Taper Sleeve: MT3 to MT4, 5 1/2 in Overall Lg - Morse Taper Sleeves
JACOBSMorse Taper Sleeves

JACOBS Morse Taper Sleeve: MT3 to MT4, 5 1/2 in Overall Lg

The JACOBS Morse Taper Sleeve (MPN 30425DN) is a Morse Taper Sleeve that adapts from MT3 to MT4, with an overall length of 5 1/2 inches. This JACOBS-manufactured sleeve enables the use of MT3-shank tools in MT4 spindles.

SKU 3G-OTH-314108

Also listed as: 30425 DN · 30425-DN

Brand
JACOBS
Item
Morse Taper Sleeve: MT3 to MT4, 5 1/2 in Overall Lg
Category
Morse Taper Sleeves
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

JACOBS
Manufacturer Part Number
30425DN

Technical Documents

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

Product Description

The JACOBS Morse Taper Sleeve (MPN 30425DN) is a Morse Taper Sleeve that adapts from MT3 to MT4, with an overall length of 5 1/2 inches. This JACOBS-manufactured sleeve enables the use of MT3-shank tools in MT4 spindles.

Frequently Asked Questions

What is a JACOBS Morse Taper Sleeve used for?

A JACOBS Morse Taper Sleeve adapts a tool with an MT3 shank to fit into an MT4 spindle. It is commonly used in drilling and milling operations to extend the range of compatible tooling without changing the machine spindle.

What are the specifications of the JACOBS Morse Taper Sleeve 30425DN?

The JACOBS Morse Taper Sleeve MPN 30425DN adapts from MT3 to MT4. It has an overall length of 5 1/2 inches. This sleeve is manufactured by JACOBS and enables MT3-shank tools to be used in MT4 spindles.

Where to buy JACOBS Morse Taper Sleeve 30425DN worldwide?

3G Electric supplies the JACOBS Morse Taper Sleeve 30425DN worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct Morse Taper Sleeve?

Select a Morse Taper Sleeve by matching the inner taper to your tool shank size and the outer taper to your machine spindle. For example, the JACOBS 30425DN has an MT3 inner taper and MT4 outer taper. Always verify dimensions before ordering.

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 morse taper sleeves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This Morse taper sleeve adapts tools with an MT1 shank for use in machines with an MT4 spindle. It has an inner taper of MT1 and an outer taper of MT4, with an overall length of 4 7/8 inches. Commonly used in metalworking and drilling operations to extend tool compatibility
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This Morse taper sleeve adapts tools with an MT1 shank for use in machines with an MT4 spindle. It has an inner taper of MT1 and an outer taper of MT4, with an overall length of 4 7/8 inches. Commonly used in metalworking and drilling operations to extend tool compatibility
JACOBS Morse Taper Drill Sleeve: MT2 to MT5, 6 1/16 in Overall Lg (MPN 30430DN)
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JACOBS Morse Taper Drill Sleeve: MT2 to MT5, 6 1/16 in Overall Lg (MPN 30430DN)
Morse taper extension with female MT3 socket and male MT4 shank, overall length 9 7/16 in. Adapts MT3-shank tools for use in MT4 spindles or sockets. Used in drilling, reaming, and other machining operations on lathes, milling machines, and drill presses
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Morse taper extension with female MT3 socket and male MT4 shank, overall length 9 7/16 in. Adapts MT3-shank tools for use in MT4 spindles or sockets. Used in drilling, reaming, and other machining operations on lathes, milling machines, and drill presses
This Morse taper extension connects MT4 shank tooling to an MT4 spindle, increasing reach for drilling, reaming, and milling operations. With a 10 3/8 in overall length, it provides deeper access in metalworking and equipment maintenance tasks
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This Morse taper extension connects MT4 shank tooling to an MT4 spindle, increasing reach for drilling, reaming, and milling operations. With a 10 3/8 in overall length, it provides deeper access in metalworking and equipment maintenance tasks
Morse taper extension with female MT3 socket and male MT2 shank, overall length 7 11/16 inches. Used to adapt machine spindles or toolholders with MT3 receptacles to accept MT2-shank tooling, extending reach for drilling, reaming, and other operations in drill presses, lathes, and milling machines
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Morse taper extension with female MT3 socket and male MT2 shank, overall length 7 11/16 inches. Used to adapt machine spindles or toolholders with MT3 receptacles to accept MT2-shank tooling, extending reach for drilling, reaming, and other operations in drill presses, lathes, and milling machines
Morse Taper Extension with MT2 shank and MT2 socket, 6 7/8 in overall length. Extends reach of MT2 tooling in drilling and milling operations, maintaining concentricity and torque transmission for precision machining
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Morse Taper Extension with MT2 shank and MT2 socket, 6 7/8 in overall length. Extends reach of MT2 tooling in drilling and milling operations, maintaining concentricity and torque transmission for precision machining

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Morse taper sleeve adapts MT2-shank tools for use in MT4-spindle machines. Overall length of 4 7/8 inches. Used in drilling, milling, and turning operations to extend tool compatibility
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Morse taper sleeve adapts MT2-shank tools for use in MT4-spindle machines. Overall length of 4 7/8 inches. Used in drilling, milling, and turning operations to extend tool compatibility
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Morse taper sleeve adapts MT2-shank tools for use in MT3 spindles or sockets. Overall length 4 3/8 inches. Enables secure, concentric mounting of smaller taper tools in larger taper receivers for machining operations
Morse taper sleeve with MT4 inner taper and MT6 outer taper, overall length 8 1/2 inches. Adapts MT4-shank tools for use in machines with MT6 spindles. Used in metalworking, drilling, and machining operations requiring taper size conversion
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Morse taper sleeve with MT4 inner taper and MT6 outer taper, overall length 8 1/2 inches. Adapts MT4-shank tools for use in machines with MT6 spindles. Used in metalworking, drilling, and machining operations requiring taper size conversion
Morse taper sleeve with MT3 female socket and MT5 male shank, overall length 6 1/16 inches. Used to adapt MT3-shank tooling for use in MT5 spindles or sockets on drill presses, lathes, and milling machines
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Morse taper sleeve with MT3 female socket and MT5 male shank, overall length 6 1/16 inches. Used to adapt MT3-shank tooling for use in MT5 spindles or sockets on drill presses, lathes, and milling machines
Morse taper sleeve for adapting MT1 shank tooling to an MT3 spindle or socket. Overall length of 3 7/8 inches. Used in drilling and machining operations to securely hold smaller taper tools in larger machine spindles
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Morse taper sleeve for adapting MT1 shank tooling to an MT3 spindle or socket. Overall length of 3 7/8 inches. Used in drilling and machining operations to securely hold smaller taper tools in larger machine spindles
Morse taper sleeve adapts MT4 inner taper to MT5 outer taper, allowing use of MT5 tooling in MT4 spindles. Overall length 6 11/16 inches. Commonly used in metalworking, drilling, and milling operations to accommodate larger-shank drills, reamers, or arbors
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Morse taper sleeve adapts MT4 inner taper to MT5 outer taper, allowing use of MT5 tooling in MT4 spindles. Overall length 6 11/16 inches. Commonly used in metalworking, drilling, and milling operations to accommodate larger-shank drills, reamers, or arbors
Morse taper sleeve adapts a tool or arbor with an MT5 taper to fit a machine spindle with an MT6 taper. Overall length 8-1/2 inches. Used in drilling and milling operations to extend the range of compatible tooling
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Morse taper sleeve adapts a tool or arbor with an MT5 taper to fit a machine spindle with an MT6 taper. Overall length 8-1/2 inches. Used in drilling and milling operations to extend the range of compatible tooling
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This Morse taper sleeve adapts MT1 tooling to fit MT2 spindles. It has an overall length of 3 9/16 inches. Used in drilling, milling, and turning operations on machine tools, it allows operators to use smaller-shank tools in larger-taper spindles without changing the machine setup