NOVA 4 in. Universal Chuck Jaw Set

NOVA Model: JS100N

Enter your email address and we'll let you know when it's available

CA Residents
Prop 65 Warning
compliance warning icon
WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to
NOVA 4 in. Universal Chuck Jaw Set NOVA Model: JS100N

Product Features & specs :

NOVA 4 in. Universal Chuck Jaw Set


The NOVA JS100N 4 in. Universal Chuck Jaw Set is an accessory designed to expand your range and capacity of your standard NOVA chuck for specific projects and applications. It universally fits any NOVA chuck saving you money from not having to purchase duplicate accessories. One of the most popular accessories to mount bowl of 12-14 in. in size, this jaw set is designed particularly for the expanded and reverse dovetail to grip footed bowls. You can also mount customized false wooden jaws so they can be made for special services. They are built with a turning dovetail profile to maximize strength without jeopardizing wood fibers, and can hold both in contraction and expansion modes. High tensile 1045 steel makes up the JS100N for precise closing, durability, and a long life.


  • Designed for expanded and reverse dovetail for gripping footed bowls

  • Can mount false wooden jaws so customizes jaws can be made for special purposes

  • Built for larger range of work than the standard 2 in. jaw like popular 12 - 14 in. bowls

  • Same jaw fixing system across all NOVA Chuck models provides complete system interchangeability

  • Great range as projects can be mounted and turned using either the expansion or contraction mode

What’s Included:

  • 4 in. Universal Chuck Jaw Set - JS100N



Chuck Size

4 in

Compatible Models

NOVA Chucks except 8012 Infinity Quick Change Chuck






6 in.


2 in.


5 in.


1.47 lbs.

Warranty Term

2 Year

Reviews :

Q & A :