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JACOBSMorse Taper Sleeves

JACOBS Morse Taper Sleeve: MT2 to MT3, 4 3/8 in Overall Lg

The JACOBS Morse Taper Sleeve (MPN 30423DN) is a Morse Taper Sleeve that adapts from MT2 to MT3, with an overall length of 4 3/8 inches. This JACOBS-branded sleeve enables the use of MT2-shank tools in MT3 spindles…

SKU 3G-OTH-314112

Also listed as: 30423 DN · 30423-DN

Brand
JACOBS
Item
Morse Taper Sleeve: MT2 to MT3, 4 3/8 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
30423DN

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

Product Description

The JACOBS Morse Taper Sleeve (MPN 30423DN) is a Morse Taper Sleeve that adapts from MT2 to MT3, with an overall length of 4 3/8 inches. This JACOBS-branded sleeve enables the use of MT2-shank tools in MT3 spindles or sockets.

Frequently Asked Questions

What is a JACOBS Morse Taper Sleeve used for?

A JACOBS Morse Taper Sleeve adapts MT2-shank tools for use in MT3 spindles or sockets. It is essential in machining, drilling, and milling operations where tool-holder compatibility is needed across different taper sizes. This JACOBS sleeve ensures secure, concentric tool mounting for precision work.

What are the specifications of the JACOBS 30423DN Morse Taper Sleeve?

The JACOBS 30423DN Morse Taper Sleeve adapts from MT2 to MT3, with an overall length of 4 3/8 inches. It is a JACOBS-branded sleeve designed for converting MT2-shank tools to fit MT3 spindles. The sleeve provides reliable concentricity and grip for industrial machining applications.

Where to buy JACOBS Morse Taper Sleeves worldwide?

3G Electric supplies JACOBS Morse Taper Sleeves worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to source the JACOBS 30423DN or other taper sleeves for your machining operations.

How to select the correct Morse Taper Sleeve for a machine spindle?

Match the sleeve's female taper to your tool shank size and its male taper to your spindle socket. For example, a JACOBS MT2-to-MT3 sleeve accepts MT2 tools and fits MT3 spindles. Verify overall length and ensure the sleeve is clean and undamaged before installation for proper tool retention.

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 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
JACOBS
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
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
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
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
JACOBS
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
JACOBS
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
This Morse Taper Extension adapts an MT2 male taper to an MT3 female taper, extending the reach of tooling in milling machines, drill presses, and lathes. Overall length is 7 5/8 inches. Manufacturer part number 30449DN
JACOBS
This Morse Taper Extension adapts an MT2 male taper to an MT3 female taper, extending the reach of tooling in milling machines, drill presses, and lathes. Overall length is 7 5/8 inches. Manufacturer part number 30449DN
This Morse taper extension provides an MT3 female socket to MT3 male shank configuration, extending the reach of tooling in drilling and milling operations. With an overall length of 8 7/16 inches, it is suited for deep-hole or hard-to-reach applications in machine shops and industrial manufacturing
JACOBS
This Morse taper extension provides an MT3 female socket to MT3 male shank configuration, extending the reach of tooling in drilling and milling operations. With an overall length of 8 7/16 inches, it is suited for deep-hole or hard-to-reach applications in machine shops and industrial manufacturing

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Morse taper sleeve adapts tools with MT2 shanks to fit machine spindles with MT5 bores. Overall length of 6 1/16 inches. Enables use of smaller-shank drills or reamers in larger-spindle equipment
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Morse taper sleeve adapts tools with MT2 shanks to fit machine spindles with MT5 bores. Overall length of 6 1/16 inches. Enables use of smaller-shank drills or reamers in larger-spindle equipment
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
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
JACOBS
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 MT3 shank tools for use in MT4 spindles. Overall length 5 1/2 inches. Enables tooling interchangeability in drilling and milling operations
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Morse taper sleeve adapts MT3 shank tools for use in MT4 spindles. Overall length 5 1/2 inches. Enables tooling interchangeability in drilling and milling operations
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