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Model#: NVANJS100N

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NOVA JS100N 4 in. Universal Chuck Jaw Set

  • NOVA JS100N 4 in. Universal Chuck Jaw Set
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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
  • 4 in. Universal Chuck Jaw Set - JS100N


Weight: 1 lbs.
Compatible With: Nova chucks except 8012 Infinity Quick Change Chuck
Jaw Size: 4 in.
Material: Steel



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What size shaft will this screw onto, and what thread count does it screw on to? My lathe has a 7/8 -10 shaft. 7/8 with 10 thread per inch. Will it fit my lathe?
Keith on Nov 20, 2015
BEST ANSWER: You will need a chuck insert adapter for this chuck to work on your lathe These inserts size needed is based in the spindle size of your lathe.