JACOBS Drill Chuck Arbor: R8 to JT3 (MPN 7340DN)
The JACOBS Drill Chuck Arbor: R8 to JT3 (MPN 7340DN) is a Bridgeport-Taper to Jacobs-Taper Arbor from JACOBS. It features an R8 to JT3 configuration.
SKU 3G-OTH-209111
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Product Description
The JACOBS Drill Chuck Arbor: R8 to JT3 (MPN 7340DN) is a Bridgeport-Taper to Jacobs-Taper Arbor from JACOBS. It features an R8 to JT3 configuration.
Frequently Asked Questions
What is the JACOBS Drill Chuck Arbor R8 to JT3 used for?
The JACOBS Drill Chuck Arbor R8 to JT3 (MPN 7340DN) is used to mount a Jacobs-taper drill chuck onto a milling machine spindle with an R8 taper. It is commonly used in Bridgeport-type milling machines for drilling and light milling operations in metalworking and machine shops.
What are the specifications of the JACOBS Drill Chuck Arbor R8 to JT3?
The JACOBS Drill Chuck Arbor (MPN 7340DN) features an R8 shank on one end and a JT3 (Jacobs Taper #3) on the other. It is a Bridgeport-Taper to Jacobs-Taper Arbor manufactured by JACOBS. The part number is 7340DN, and it is designed for precision alignment in milling machine spindles.
Where to buy the JACOBS Drill Chuck Arbor R8 to JT3 worldwide?
You can source the JACOBS Drill Chuck Arbor R8 to JT3 (MPN 7340DN) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to install the JACOBS Drill Chuck Arbor R8 to JT3?
To install the JACOBS Drill Chuck Arbor R8 to JT3, first clean the R8 shank and the spindle bore thoroughly. Insert the arbor into the spindle and tighten the drawbar to secure it. Then mount the drill chuck onto the JT3 taper by pressing or tapping it into place. Always follow the machine manufacturer's safety guidelines.
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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.








