Catalogue reference. Availability, exact specification and OEM or aftermarket supply are confirmed in your quotation.
Pro-Torq axle spindle nut
Hardware & fastenersPart number: 448-4864
Aftermarket reference ·A published reference 448-4864 is a Pro-Torq steering axle spindle nut with a 2-inch, 12-thread-per-inch thread. It uses a 3-inch, six-point socket and a 450-4864 D-flat replacement keeper. Verify the axle identification and spindle details before ordering.
Looking for STEMCO 448-4864? This catalogue reference is listed under Hardware & fasteners. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
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Original / OEM part
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Confirm with a quoteTechnical specifications
| Manufacturer | STEMCO |
|---|---|
| Part number | 448-4864 |
| Category | Hardware & fasteners |
| Availability | On request |
| Reference basis | Supplier-listed component reference; manufacturer origin is not verified |
| Supply type | Supplier-branded reference |
| Record verification | Public search-index reference; current publisher page was not independently accessible. Confirm full specifications with your quotation. |
| Thread size | 2 in, 12 threads per inch |
| Socket size | 3 in, 6-point |
| Replacement keeper | 450-4864, D-flat |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
Product questions
What are the thread size and socket size for a published reference 448-4864?
The 448-4864 spindle nut has a 2-inch, 12-thread-per-inch thread and uses a 3-inch, six-point socket. Verify the spindle thread and axle identification before ordering.
Will the 448-4864 spindle nut fit my Mack steer axle?
The part is listed for Mack steering axles, but that does not establish fit for every truck or axle. Provide the axle model and serial number, vehicle VIN and existing nut details to verify the application before ordering.
Which replacement keeper is used with the 448-4864 nut?
The listed replacement keeper is a published reference 450-4864, a D-flat style. Confirm the keeper and spindle configuration against the existing assembly before ordering.
How should bearing adjustment be checked with the 448-4864?
A published reference identifies 448-4864 as a steering spindle nut and describes checking bearing end play with a dial indicator. Use the applicable axle and hub manufacturer's instructions and a published reference guidance; installation and adjustment depend on the wheel-end system.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.