Shars 4.921" Semi-Machined Threaded Back Plate 1-1/2-8 For All Plain Back Lathe Chucks NEW 202-5489 S
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Product details
| Management number | 221708117 | Release Date | 2026/05/03 | List Price | US$21.97 | Model Number | 221708117 | ||
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| Category | |||||||||
The semi-machined back plate has to be processed into fully-machined which is showed in the above fig before they can be mounted. The fully-machined back plate can be mounted onto 5" 3 jaw or 4 jaw self centering and independent lathe chuck (p/n 202-5594). All back plates have 0.04" allowance, please measure the size of Chuck's D1 before process your back plates. The size of back plates's D1 should be a little bit smaller than the size of Chuck's D1. Because the gap between back plate and chuck is smaller, chuck's TIR is better. No gap is the best.
- Back plate needs to be machined in order to fit the lathe chuck.
- Thread size T: 1-1/2 - 8
- Diameter A: 4.921"
| Capacity | 4.92 Inches |
|---|---|
| Lock Type | Independent, Self Centering |
| Brand Name | Shars |
| Handle Type | hand-tightened |
| Item Weight | 5 Pounds |
| Thread Size | 1-1/2-8 |
| Manufacturer | Shars |
| Item Diameter | 4.92 Inches |
| Material Type | Alloy Steel |
| Compatible Devices | Lathe |
| Manufacturer Part Number | 202-5489 |
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