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SAE Hex High Nuts, Grade 8 heat treated steel, UNF Fine Thread. Heat Treated High Nuts, often referred to as SAE Hi Nuts, are commonly used on the suspensions of Commercial Trucks, Tractor Trailers and Construction Equipment. Their extended length allows for an additional wrenching surface and improved accessibility when installing or removing suspension components. They are supplied plain with a light protective oil finish.
| Manufacturer | KL Jack Quality Vendor |
|---|---|
| Item Type | High Nut |
| System of Measurement | Inch |
| Diameter | 1-1/4" |
| Length (inches) | 1-5/8" |
| Finish | Plain |
| Grade | 8 |
| Hardness RC | 26-36 |
| Hex Size | 1-7/8" |
| Material | Steel |
| Overall Length | 1-11/16" |
| Proof Stress | 150,000 PSI |
| Dimensional Specification | SAE J482 |
| Material Specification | Grade 8 per SAE J995 |
| Thread Specification | ASME B1.1, UNF Class 2B |
| Supplier Part Number | 303408P |
| Threads Per Inch | 12 |
| Thread Type | Fine |
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