8mm shank taper JT0 arbor will mate the chucks which have JT0 taper.

The chucks JT0 not all the same, the item sells as is.

You can select the WW style thread .270 x 40 fit most all 8mm lathes such as:
Bergeon, Levin, Derbyshire, Boley, American Watch Tool Co., Peerless, Marshall, and most others.

Or metric size M7 x 0.75 such as Vector and HOROTEC German brand.

Please note that the product picture is for reference purposes only and may not depict the exact item and size you are purchasing.
If you have any questions, please do not hesitate to contact us at anytime.

Shipping Fee: will be calculated at check out.
Origin: Items are shipped from our warehouse in China. Some exclusions may apply.
Processing and Delivery Times: Orders are shipped within 3 business days and are expected to arrive within 7-21 days.
Please note that these timelines are estimates and may vary based on the product selected and current delivery conditions.
Documentation: Invoices can be issued upon request. After placing your order, please contact us at contact@gavantools.com with your 4-digit order number and specify your request.

Cancellation:
Before Shipping: If your order has not yet been processed for shipping, you can cancel it; however, a cancellation fee will apply. This fee is a 5% charge of the total purchase price (including shipping costs).
After Shipping: Please note that once the shipment has been arranged, we cannot accept cancellations.
For more detailed information, please check Cancellation and Returns Policy here.