3.93" Fully Machined Threaded Back Plate with 1-1/2 x 8 TPI for 3 or 4 Jaw Lathe Chucks
SKU
202-6108-6
$37.95
In stock
Shipping UPS Ground
Details
| Mfg SKU # | 202-6108-6 |
|---|---|
| Lathe Chuck Category | Back Plates Threaded Mounting |
| Brand | Shars Tool |
| back plate diameter | 3.93 |
| Spindle Nose Type | Threaded |
| compatible chuck diameter | 4 |
| mounting | 1-1/2 - 8 |
| Bolt Circle Diameter | 3.307 |
Spotlight
This back plate would need to be machined in order to fit our 4" 3 jaw or 4 jaw self centering and independent lathe chuck (p/n 202-5410, 202-5472, 202-5419).
You would not need to drill any mounting holes but you will need to turn the shoulder down .050" to match the back of the lathe chuck to make the chuck & back plate more concentric with the lathe spindle. When turning the shoulder of the backing plate, ONLY TURN THE SHOULDER OF THE BACKING PLATE WHEN ATTACHED TO THE LATHE SPINDLE. If you use a chuck to clamp the backing plate and then turn it, the backing plate will not be true to the lathe spindle and will have more runout than specified when the chuck and back plate are put together.
- The back plate may come with two or three additional screws (depending on type) for removal the back plate from the chuck. They are not used to mount the chuck to the back plate, mounting screws should be included with the chuck
| Lathe | Lathe Chuck Diameter | ||||||
| Brand | Model | Swing | Spindle Thread | 3" | 4" | 5'' |
6'' |
| Atlas | 6" | 1/2"-20 | 202-6231 | ||||
| Atlas | 10100 | 6" | 1"-10 | ||||
| Atlas | TH42 | 10" | 1 1/2"-8 | 202-6230 | 202-6192 | ||
| Atlas | 5991 | 12" | 1 1/2"-8 | 202-6230 |
202-6108-3 |
202-6192 |
202-6119 |
| Atlas | 3986 | 12" | 1 1/2"-8 | 202-6230 |
202-6108-3 |
202-6192 |
202-6119 |
| Emco Maier | Maximat V10 | 5" | M39x4mm | 202-6214 |
|||
| Grizzly | G8688 | 7" | 3" Flange | ||||
| Grizzly | G4000 | 9" | M39x4mm | 202-6214 |
202-6217 |
||
| Harbor Freight | 33684 | 7" | 3" Flange | ||||
| Harbor Freight | 45861 (BV20) | 9" | M39x4mm | 202-6214 |
202-6217 |
||
| Homier | 03911 | 7" | 3" Flange | ||||
| Jet | 920N | 9" | 1 1/2"-8 | 202-6230 | 202-6108-3 | 202-6192 | 202-6119 |
| King | CH-920 AG | 9" | M39x4mm | 202-6214 |
202-6217 |
||
| Logan | 9" | 1 1/2"-8 | 202-6230 |
202-6108-3 | 202-6192 |
202-6119 |
|
| Logan | 10" | 1 1/2"-8 | 202-6230 |
202-6108-3 | 202-6192 |
202-6119 | |
| Logan | 11" | 2 1/4"-8 | 202-6234 |
||||
| Logan | 12" | 2 1/4"-8 | 202-6234 |
202-6120 |
|||
| Logan | 6510/6560 | 14" | 2 1/4"-8 | 202-6234 |
202-6120 |
||
| Micro-Mark | 82710 | 7" | 3" Flange | ||||
| Micro-Mark | 82500 | 7" | 3" Flange | ||||
| Sears | 101.07301 | 6" | 1"-8 | ||||
| Sears | 101.2899 | 12" | 1 1/2"-8 | 202-6230 | 202-6108-3 | 202-6192 | 202-6119 |
| Sheldon | WM-46-P | 13" | 2 1/4"-8 | 202-6234 |
202-6120 |
||
| Sherline | All | 3.5" | 3/4"-16 | 202-6212 |
|||
| Sidney Machine | Lot 160 | 14" | 2 1/4"-8 | 202-6234 |
202-6120 | ||
| South Bend | CL187ZB | 10" | 2 1/4"-8 | 202-6234 | |||
- Made from high grade cast iron
- Fits most 4" self centering and independent plain back chuck (please verify the bolt circle diameter and shoulder diameter on the back of the lathe chuck)
Back Plate Dimension
|
Chuck Size |
A |
Thread T |
D1 | D2 | C | E | D | B | h |
No of Bolt Hole |
| 4" | 3.93" | 1-1/2"-8 | 2.87" | 3.307" | 0.551" | 0.5" | 2.68" | 0.63" | 0.1" | 6 |
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