# 5/16"-24 Grade 2 Plain Finish Carbon Steel Round Slotted Castle Nut, 25 pk.

**Manufacturer:** Zoro Select  
**MPN:** `U12020.031.0001`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 17886 |
| DimensionUnit | inch |
| GraingerSku | 41TZ65 |
| Extra Product Name | 5/16"-24 Grade 2 Plain Finish Carbon Steel Round Slotted Castle Nut, 25 pk. |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 1.8 |
| WeightUnit | lbs |
| atoms | 25 |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | ZZ |
| height | 1.1 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 5 |
| moq | 1 |
| MPN | U12020.031.0001 |
| multiple | 1 |
| qtyInStock | 1 |
| qtyInStockOverride | 1 |
| qtySource | qtyInStockOverride |
| SKU | G2520957 |
| tierMinQty1 | 1 |
| tierPrice1 | 2.55 |
| url | https://www.zoro.com/zoro-select-516-24-grade-2-plain-finish-carbon-steel-round-slotted-castle-nut-25-pk-u120200310001/i/G2520957/ |
| width | 3.7 |
| Dia /Thread Size | 5/16"-24 |
| Thread Size | 5/16"-24 |
| Hex Width | 1/2 in |
| Width Across Flats | 1/2 in |
| Dimensional Standards | ASME B18.2.2 |
| Pack Size | Small Pack |
| Item | Castle Nut |
| Nut Style | Hex Slotted Nut-Regular |
| Hex Type | Standard Hex |
| Basic Material | Steel |
| Lock Type | Slotted Castle |
| Material Grade | Grade 2 |
| Material | Steel |
| Fastener Finish | Plain |
| Material Grade/Class | Grade 2 |
| Fastener Thread Direction | Right Hand |
| Finish | Black Oxide |
| Nut Standards | ASME B18.2.2 |
| System of Measurement | Inch |
| Thread Direction | Right Hand |
| Thread Type | UNF |
| Fastener Thread Type | UNF (Fine) |
| Type | Slotted |
| Material Type | Steel |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G2520957 | 2.55 | 1 | 1 | 1 |
| Grainger | 41TZ65 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/167000000/167343500/part_--U120200310001---ZoroSelect--f633815658.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp