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ABT ABS Import Tools THREADED M39 X 4 BACKPLATE / ADAPTER FOR 6" 3 OR 4 JAW LATHE CHUCKS 3900 3339 P5287637ABT-3900-3339 https://cdnimages.opentip.com/full/ABT/ABT-3900-3339.jpg ABS Import Tools THREADED M39 X 4 BACKPLATE / ADAPTER FOR 6" 3 OR 4 JAW LATHE CHUCKS 3900 3339 Manufacturer part number: 3900-3339Threaded M39 X 4 Backplate/Adapter 6\" Lathe ChucksNo bolt holes.Machining is required before mounting your chuck to ensure concentricity.For 3 & 4-jaw chucks. 5287637 6.2000lbs 0.00 0.00 0.00
ABS Import Tools
89.6100 2027-01-06 28 In Stock
customer review - by , November 11, 2025
5/ 5stars
The product seems good quality but I am rating 3 because the description is misleading. I was seeking a self-centering chuck. I saw the keyword "self centering" in multiple ares of the product description, and I saw a breakout diagram in the product images (in two locations) where a spline disc is shown to drive all four jaws together, effectively giving self-centering function. But, the product has FULLY INDEPENDENT jaws, and it has zero functionality of a self-centering lathe chuck. As a beginner with these parts of tools, this description is misleading and I wish Vevor would include a PDF manual in the downloads so we can verify exactly what we are getting before ordering. My photos show how the jaw moves fully independently and the splines that drive the jaw are not interconnected.
customer review - by , April 4, 2025
5/ 5stars
It takes awhile to get any piece running true. But it does a good job at holding center.
customer review - by , July 7, 2023
5/ 5stars
The jaws move independently, this is false advertising.
customer review - by , June 6, 2023
5/ 5stars
Ordered this for different mini lathe this one does not fit the second late I had to order it is a four screw mounting spindle and the new one has a three screw mounting spindle. ! ?
customer review - by , June 6, 2023
4/ 5stars
quick and easy to use
customer review - by , June 6, 2023
4/ 5stars
Overall a decent deal for the money. Took some filing and cleanup to get it working smoothly, but that is expected of these import chucks. The biggest welcome surprise was that the chuck fit my MX210V perfectly - apart from having a four bolt pattern where this lathe has a three bolt pattern. No backplate needed - I just lined up one of the holes with a stud from my 3 jaw chuck and used a transfer punch to set the location for the other two holes. Drilled and tapped some M8 holes about 3/4 deep and it connected just great!
customer review - by , May 5, 2023
4/ 5stars
This chuck fits the MX-210V lathe without modification. I has four mounting holes versus the three mounting holes on the chuck included with the lathe, so three new holes heed to be added to the chuck face plate to hold it, then good to go. This chuck has individually adjustable jaws to allow mounting of non-round work pieces, which greatly increases the versatility of your lathe.
customer review - by , April 4, 2023
5/ 5stars
Item was better than expected. Excellent quality and price.
customer review - by , December 12, 2022
5/ 5stars
Seems well made and easy to dial in. Had to deburr the edges of the jaws just a bit to get them to slide smoothly, but no big deal. Happy with the value of this.
customer review - by , May 5, 2022
5/ 5stars
This is a Great chuck for the 7x mini lathe. Need to have an adapter plate to use it.This chuck is well built and quality seen good.It is an independent chuck and not a self centering chuck and requires a little chucking skill.Over all it a A.

ABS Import Tools THREADED M39 X 4 BACKPLATE / ADAPTER FOR 6" 3 OR 4 JAW LATHE CHUCKS (3900-3339)

stars Rating 5 | 18 reviews
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SKU: ABT-3900-3339
Price: $89.61
Quantity:
28 In Stock
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Product Description

Manufacturer part number: 3900-3339

  • Threaded M39 X 4 Backplate/Adapter 6" Lathe Chucks
  • No bolt holes.
  • Machining is required before mounting your chuck to ensure concentricity.
  • For 3 & 4-jaw chucks.

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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Customer Reviews
5 stars
12
4 stars
6
3 stars
0
2 stars
0
1 stars
0
By David M
Date: November 02, 2025
The product seems good quality but I am rating 3 because the description is misleading. I was seeking a self-centering chuck. I saw the keyword "self centering" in multiple ares of the product description, and I saw a breakout diagram in the product images (in two locations) where a spline disc is shown to drive all four jaws together, effectively giving self-centering function. But, the product has FULLY INDEPENDENT jaws, and it has zero functionality of a self-centering lathe chuck. As a beginner with these parts of tools, this description is misleading and I wish Vevor would include a PDF manual in the downloads so we can verify exactly what we are getting before ordering. My photos show how the jaw moves fully independently and the splines that drive the jaw are not interconnected.
Rating: 5 stars [5 of 5 Stars!]
By A Customer
Date: April 15, 2025
It takes awhile to get any piece running true. But it does a good job at holding center.
Rating: 5 stars [5 of 5 Stars!]
By Greg
Date: July 17, 2023
The jaws move independently, this is false advertising.
Rating: 5 stars [5 of 5 Stars!]
By Fred Riffle
Date: June 24, 2023
Ordered this for different mini lathe this one does not fit the second late I had to order it is a four screw mounting spindle and the new one has a three screw mounting spindle. ! ?
Rating: 5 stars [5 of 5 Stars!]
By M
Date: June 20, 2023
quick and easy to use
Rating: 4 stars [4 of 5 Stars!]
By Tom Kennedy
Date: June 15, 2023
Overall a decent deal for the money. Took some filing and cleanup to get it working smoothly, but that is expected of these import chucks. The biggest welcome surprise was that the chuck fit my MX210V perfectly - apart from having a four bolt pattern where this lathe has a three bolt pattern. No backplate needed - I just lined up one of the holes with a stud from my 3 jaw chuck and used a transfer punch to set the location for the other two holes. Drilled and tapped some M8 holes about 3/4 deep and it connected just great!
Rating: 4 stars [4 of 5 Stars!]
Items 1 - 6 of 16 reviews
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