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J. Brillinger
September 1, 2025
Looks like top quality, so tired of my old junk I've been using. Need to fit my backing plate, will up date.
Dogfather
August 29, 2025
I bought this chuck for working with thin-wall cylindrical workpieces hoping the runout would be better than what some reviewers had reported. I received the unit, completely disassembled, de-burred, re-lubricated and re-assembled it, about an hour or two well spent. I left about 0.001 allowance on the backing plate registration boss and indicated the chuck in before tightening the 3 mounting screws. Doing that eliminated about 0.0005 initial runout. In practice runout at 3/8†work diam. is less than 0.001, runout at 3/4†diam. is less than 0.0005 (!), and runout at 1.25†diam. is less than 0.0015. Of course, it depends to a degree on which pinion(s) you use to tighten and how you set the material in the jaws but if I’m willing to spend a couple minutes with an indicator I can get really good results. Overall I’m pleased with this chuck. SAN OU is a large Chinese drill and lathe chuck manufacturer. I have two other chucks made by this company and neither is as good as this one. Due to variability in sample quality I'm sure your mileage could vary from my results.
Customer
July 20, 2025
I honestly was not expecting much out of this chuck. I figured it was just another knock off, inaccurate import, I was very wrong, very precise , works great. I don’t know how I got along without it.
W. Harbaugh
July 8, 2025
I bought the 6" 6-jaw chuck and a backplate for my South Bend 10L. The backplate threads were a mess but I had a 2 1/4 x 8 tap and cleaned them up. The chuck was full of grinding grit as expected at this price and I took it apart and cleaned it. When mounted on the lathe the lathe body had about 3 thou runout - not great but OK. However I put various size ground bars in it, and all show 11-13 thou runout - so I'm returning it. Disappointed!
Customer
July 5, 2025
Great chuck works great for a rollout wheel. And it will chuck up 2†sch 80 without grinding the jaws down
Customer
June 26, 2025
Just what I needed.
Robert Badger
May 28, 2025
When the chuck was fairly new, i was tightening a fitting down and one of the 3 jaws broke, contacted the Co. about the bad casting. they did not help with the problem or replacement of the jaws
Thomas
May 25, 2025
Easy to use and install
J. Brillinger
May 15, 2025
Looks like top quality, so tired of my old junk I've been using. Need to fit my backing plate, will up date.
Dogfather
May 11, 2025
I bought this chuck for working with thin-wall cylindrical workpieces hoping the runout would be better than what some reviewers had reported. I received the unit, completely disassembled, de-burred, re-lubricated and re-assembled it, about an hour or two well spent. I left about 0.001 allowance on the backing plate registration boss and indicated the chuck in before tightening the 3 mounting screws. Doing that eliminated about 0.0005 initial runout. In practice runout at 3/8†work diam. is less than 0.001, runout at 3/4†diam. is less than 0.0005 (!), and runout at 1.25†diam. is less than 0.0015. Of course, it depends to a degree on which pinion(s) you use to tighten and how you set the material in the jaws but if I’m willing to spend a couple minutes with an indicator I can get really good results. Overall I’m pleased with this chuck. SAN OU is a large Chinese drill and lathe chuck manufacturer. I have two other chucks made by this company and neither is as good as this one. Due to variability in sample quality I'm sure your mileage could vary from my results.
Customer
April 27, 2025
I honestly was not expecting much out of this chuck. I figured it was just another knock off, inaccurate import, I was very wrong, very precise , works great. I don’t know how I got along without it.
W. Harbaugh
April 26, 2025
I bought the 6" 6-jaw chuck and a backplate for my South Bend 10L. The backplate threads were a mess but I had a 2 1/4 x 8 tap and cleaned them up. The chuck was full of grinding grit as expected at this price and I took it apart and cleaned it. When mounted on the lathe the lathe body had about 3 thou runout - not great but OK. However I put various size ground bars in it, and all show 11-13 thou runout - so I'm returning it. Disappointed!
Customer
April 5, 2025
Great chuck works great for a rollout wheel. And it will chuck up 2†sch 80 without grinding the jaws down
Customer
February 1, 2025
Just what I needed.
Robert Badger
January 26, 2025
When the chuck was fairly new, i was tightening a fitting down and one of the 3 jaws broke, contacted the Co. about the bad casting. they did not help with the problem or replacement of the jaws
Thomas
January 18, 2025
Easy to use and install
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