Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
JACOBS 7342DN R8 to JT6 Arbor - Bridgeport-Taper to Jacobs-Taper Arbors
JACOBSBridgeport-Taper to Jacobs-Taper Arbors

JACOBS 7342DN R8 to JT6 Arbor

The JACOBS Drill Chuck Arbor: R8 to JT6 (MPN 7342DN) is a Bridgeport-Taper to Jacobs-Taper Arbor. This product is manufactured by JACOBS and is identified by the manufacturer part number 7342DN.

SKU 3G-OTH-209115

Also listed as: 7342 DN · 7342-DN

Brand
JACOBS
Item
7342DN R8 to JT6 Arbor
Part Number
7342DN
Category
Bridgeport-Taper to Jacobs-Taper Arbors
Available to Order
Also known as:7342DNJACOBS
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
7342DN

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The JACOBS Drill Chuck Arbor: R8 to JT6 (MPN 7342DN) is a Bridgeport-Taper to Jacobs-Taper Arbor. This product is manufactured by JACOBS and is identified by the manufacturer part number 7342DN.

Frequently Asked Questions

What is the JACOBS Drill Chuck Arbor R8 to JT6 used for?

The JACOBS Drill Chuck Arbor R8 to JT6 (MPN 7342DN) adapts a Bridgeport-taper spindle to a Jacobs-taper drill chuck. It is used in milling machines and drill presses to securely mount a drill chuck for precision drilling operations in metalworking and machining applications.

What are the specifications of the JACOBS 7342DN arbor?

The JACOBS 7342DN arbor has an R8 (Bridgeport) shank on one end and a JT6 (Jacobs taper) on the other. It is manufactured by JACOBS under part number 7342DN. This arbor enables quick change of drill chucks on Bridgeport-type milling machines without removing the spindle.

Where to buy a JACOBS R8 to JT6 arbor worldwide?

3G Electric supplies the JACOBS 7342DN R8 to JT6 arbor worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this genuine JACOBS arbor.

How to install a JACOBS R8 to JT6 arbor on a mill?

To install the JACOBS 7342DN arbor, clean the R8 shank and spindle bore thoroughly. Insert the arbor into the Bridgeport spindle, align the keyway, and tighten the drawbar. Ensure the JT6 taper is clean before mounting the drill chuck. Always follow the machine manufacturer's torque specifications.

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.
Not sure this is the right part? Photo-identify it→

JACOBS Products

3G Electric supplies JACOBS bridgeport-taper to jacobs-taper arbors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

More from JACOBS

View all JACOBS parts →
JACOBS
JACOBS
This arbor adapts a Bridgeport-taper spindle (R8) to a Jacobs-taper (JT33) drill chuck. It is used in milling machines and drill presses to mount a Jacobs-taper chuck for drilling operations in metalworking

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first