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NOVA JS20N Mini 20mm Chuck Accessory Jaw Set

Item #417750 Teknatool
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Product Information:

Try this NOVA JS20N 20mm Mini Chuck Accessory Jaw Set for your NOVA chuck. It is designed to expand the range and capacity of your standard NOVA Chuck for specific projects and applications. Specificially, these mini jaws are great for projects that require jaws smaller than the 25mm jaw set. It universally fits any NOVA Chuck for maximum flexibility and for money savings as duplicate accessories are not needed for different NOVA Chucks. This set is for small bowls and unsupported small spigot turning. Ideal for midi or mini lathe work. It features a special NOVA wood turning dovetail profile designed specifically for maximum strength and holding in wood turning without crushing the wood fibers. These jaws will hold in both modes: contraction and expansion.This set is precisely machined from a single solid piece of 1045 high tensile steel for precise closing, durability, and long life. The set includes four jaws and instructions. They use the standard fasteners that come with your NOVA Chuck, but spare screws are available (WC# 417753, sold separately).Note: Some accessories such as larger jaws are only suitable for use on the larger NOVA Chucks, please check manual prior to use.

Shipping / Billing Info:

This product ships direct from the manufacturer:

  • Your order will ship in approximately 5 business days.
  • This product is considered special order. Your account will be charged when you place your order.
  • Express or overnight shipping is not available for this product.
  • Ships by Ground to the 48 contiguous states. Cannot ship to Alaska, Hawaii, PO Boxes, APOs, US Territories, Canada or other foreign countries.

Return Information
Within 30 days of delivery of a shipment, you may return any Teknatool product for a full refund of the product's purchase price minus a 10% restocking fee. Teknatool may also refund the shipping cost if the return is resulting from Teknatool's error. They cannot accept returns on items returned more than 30 days after delivery (unless, of course, the item has a manufacturer's defect in which case it would be covered by that product's specific warranty).  Items must be in their original condition to qualify for any kind of refund.

Warranty Information
Most Teknatool products are covered by their full replacement 2-year limited warranty. However, different products have different exclusions. Consult your manual for warranty information on your specific product or email Teknatool directly at
California Residents: Click here for Proposition 65 information.


  • Super Nova and Compac Nova Specifications & Features - All Nova chucks have jaws specifically designed for woodturning uses.
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