| Material | 12L14 Steel |
|---|---|
| Coating | Black Oxide) |
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ER Collet-to-Sherline Chuck Arbor
When using a large mill or lathe with 5C, ER or other large collets it is sometimes helpful to have a way to change to a small chuck quickly. These adapters have either a 1/2″ shank (10660) or a 5/8″ shank (10650). On the other end is a 3/4-16 thread that accepts any Sherline 2.5″ or 3.1″ chuck. This allows you, without changing your spindle or going to another machine, to quickly install a Sherline 3- or 4-jaw chuck. Just insert the shank of the adapter attached into a 1/2″ or 5/8″ collet. Now you can chuck up parts that could not be easily held in a collet. T.I.R. of the adapter is specified to be 0.0005″ (0.013mm) or less. The unhardened steel adapters have a black oxide finish to prevent rust.
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| P/N | DESCRIPTION | WEIGHT | PRICE |
|---|---|---|---|
| 1065 | 5/8″ shank to 3/4-16 Chuck Adapter | .5 lb. | $52.50 |
| 1066 | 1/2″ shank to 3/4-16 Chuck Adapter | .5 lb. | $52.50 |
Click the P/N below to download a zipped version of the IGS 3D CAD file. You will need to extract the zip file before viewing the IGS file.
1066 3.1″ ER Collet-to-Sherline Chuck Arbor 1/2″ Shank 3D IGS model
You need an IGS viewer to view .igs files. CLICK HERE to download a FREE IGS viewer.
Related products
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If you prefer jaws with a looser fit for faster operation (where maximum accuracy isn’t critical), add a note requesting “loose jaws” below.
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Soft steel jaws (unhardened and unmachined) are also available when building your own chuck.
- They can be used to hold irregularly shaped parts
- They can be used to center parts with a great deal of accuracy
- 4-jaw chucks can be used to deliberately hold a part off-center
- They can clamp stock tighter
- For those who have jobs where speed and ease of use are more important than maximum accuracy and want a chuck that is loose right from the start (No extra charge). Add the note “loose jaws” to the comments box below
- Soft (not hardened or machined) steel jaws are also available when you build your own chuck.
-
If you prefer jaws with a looser fit for faster operation (where maximum accuracy isn’t critical), add a note requesting “loose jaws” below.
-
Soft steel jaws (unhardened and unmachined) are also available when building your own chuck|
- For those who have jobs where speed and ease of use are more important than maximum accuracy, and want a chuck that is loose right from the start (No extra charge). Add the note “loose jaws” to the comments box below
- Soft (not hardened or machined) steel jaws are also available when you build your own chuck.
2.5″ 3-Jaw Chucks – Various Thread
Sherline 3-jaw chucks are designed with synchronized jaws that move together to automatically center round or hex stock to within a few thousandths of an inch. They offer the fastest and most convenient way to hold work in a lathe, making them one of Sherline’s most popular accessories.
These chucks can grip externally on bar stock or internally on tubing. The jaws are reversible to handle a wider range of part sizes.
Compatibility with Sherline and Other Lathes
Chucks are available with different spindle threads for use on Sherline lathes (3/4-16) and other machines such as older Unimat models (12mm x 1mm or 14mm x 1mm) or Sears 6" lathes (1/2-20).
Note: Thread sizes other than 3/4″ x 16 are custom made and require 5–7 business days.
Jaw Options
2.5″ 4-Jaw Independent Chucks – Various Thread
Includes hex key, not pictured
These chucks have four advantages over 3-jaw chucks.
This is a valuable asset when machining cams, crankshafts, and similar parts. The main disadvantage of the 4-jaw independent chuck is that the jaws must be set individually, adding considerable setup time. The jaws are reversible to accommodate larger stock.
NOTE: The independent chucks don't have Tommy bar holes like the scroll chucks because most people use the 5/32" hex wrench into one of the jaw screws to thread the chuck on and off. Our P/N 3020 5/32" Hex T-Driver works perfectly.
Like the Sherline 3-jaw chucks, the 4-jaw chucks can clamp either externally or internally. Although we recommend the 3-jaw chuck for standard lathe projects, the 4-jaw chuck is considered the accessory that could add the most versatility to your machine. If you feel the 4-jaw chuck would be more useful, and you have no need for the 3-jaw chuck, any lathe “A” package can be ordered with the 4-jaw chuck substituted for the 3-jaw upon request. A clamping groove allows the chuck to hold parts for milling.
Chucks for Sherline and Other LathesThe chuck is available in several spindle threads for use on Sherline (3/4-16) and other machines, such as old Unimat lathes (12 mm x 1 mm and 14 mm x 1 mm) or Sears 6" lathes (1/2-20). *Please note that chucks with a thread size other than 3/4″ x 16 are made to order and have a lead time of 5-7 business days.
Jaw Options
3.1″ 3-Jaw Chuck
This larger chuck takes up no more center-to-center space than the 2.5" chuck, but it will hold larger work. It has a clamping range of 3/32" (2 mm) up to 1-1/2" (38 mm) diameter with the jaws in the normal position. With the jaws in the reversed position, work up to 3-1/4" (82.5mm) can be gripped. The hole through the chuck is .687" (17 mm). Rotating the knurled ring closes all three jaws simultaneously to grip round or hexagonal stock quickly. Tommy bars (provided) are used in the side holes to tighten and loosen the chuck for more leverage. The chuck has a 3/4-16 thread to fit Sherline's spindle.
Jaw Options
2.5″ 4-Jaw Chucks – Various Thread
Includes 2 tommy bars, not pictured
This chuck combines the ease-of-use advantages of the 3-jaw chuck with some of the advantages of a 4-jaw chuck. It will automatically center square or round stock. (The stock must be accurately shaped for all four jaws to grip.) It will also grip thin-wall tubing in four places rather than three, which spreads out the load and allows more grip without crushing the tubing.
Turning the knurled portion of the outer diameter of the chuck scrolls all four jaws in unison. Included with the chuck are two Tommy bars for tightening and loosening the chuck.
Centering accuracy on self-centering chucks is to within a few thousandths of an inch. If perfect centering accuracy is required, see the section on 4-jaw independent jaw chucks.
This chuck will hold parts from 3/32" in diameter up to 1-3/16" with jaws in the normal position and up to 2-1/4" with the jaws reversed.
Chucks for Sherline and Other LathesThe chuck is available in several spindle threads for use on Sherline (3/4-16) and other machines such as old Unimat lathes (12mm x 1mm and 14mm x 1mm). *Please note that chucks with a thread size other than 3/4" x 16 are made to order and have a lead time of 5-7 business days.
Jaw Options