Llambrich Ball Bearing Chuck

Here is the 18 on the left and 18N on the right . Both are Heavy Duty Ball Bearing Super Chucks ! :)

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The chuck on the left is the older style of Jacobs "Hartford" ball bearing super chuck, and that information is stamped in with small letters between the chuck key holes. I have a couple of those chucks, guessing they might be pre 1960's. They are every bit as good as the later "Hartford" Jacobs super chucks that say "super chuck" in large letters on the sleeve, and better than the current Chinese ones -- if you can find the old chucks in good condition. They look very much like the 30 series plain bearing Jacobs chucks, and so can sometimes be bought at really good prices. Watch for them, but check their condition. Jacobs no longer makes repair kits for them, only for the Chinese ones. NOS repair kits are getting to be more rare and quite pricey.
 
Yes. I paid $90 for my repair kit.
 
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