# Socket Set Screw, Head Type Headless, Point Type Knurled Cup, System of Measurement Inch, Thread Size 5/16 In.-18, Overall Length 1/2 in, Drive Type Socket, Drive Size 5/32 in, Material Alloy Steel, Finish Black Oxide, Pack Size Small Pack, Decimal Equivalent 0.313 in, Dimensional Standards ASME B18.3, Head Height Not Applicable, Head Width -, Maximum Head Height Not Applicable, Minimum Head Height Not Applicable, Package Quantity 100

**Manufacturer:** Zoro Select  
**MPN:** `U07890.031.0050`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 4952 |
| CategoryIdL1 | 9 |
| CategoryIdL2 | 4395 |
| CategoryIdL3 | 4952 |
| CategoryL1 | Fasteners |
| CategoryL2 | Screws & Bolts |
| CategoryL3 | Set Screws |
| DimensionUnit | inch |
| GTIN | None |
| GraingerSku | 1HLT1 |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 0.68 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | ZZ |
| height | 1 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 12.99 |
| moq | 1 |
| MPN | U07890.031.0050 |
| multiple | 1 |
| qtyInStock | 115 |
| qtyInStockOverride | -2 |
| SKU | G2889941 |
| tierMinQty1 | 1 |
| tierPrice1 | 17.19 |
| url | https://www.zoro.com/zoro-select-sckt-set-scr-knurl-cup-516-18x12-pk100-u078900310050/i/G2889941/ |
| width | 6.77 |
| Thread Size | 5/16"-18 |
| Overall Length | 1/2 in |
| Point Diameter | 0.156 in |
| Drive Size | 5/32 in |
| Dia /Thread Size | 5/16"-18 |
| Point Dia | 0.156 in |
| Head Height | Not Applicable |
| Dimensional Standards | ASME B18.3 |
| Minimum Head Height | Not Applicable |
| Slotted Head Diameter | Not Applicable |
| Screw Size | 5/16"-18 |
| Slotted Head Height | Not Applicable |
| Maximum Head Height | Not Applicable |
| Item | Set Screw |
| System of Measurement | Inch |
| Point type | Knurled Cup |
| Point Material | Alloy Steel |
| Material | Alloy Steel |
| Finish | Black Oxide |
| Drive Type | Hex |
| Rockwell Hardness | C45 to C53 |
| Class | 3A |
| Type | UNC |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G2889941 | 17.19 | 1 | 115 | 1 |
| grainger.ca | EBP1HLT1 | 18.92176242 | 1 | None | 1 |
| Grainger | 1HLT1 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/188500000/188647000/part_--U078900310050---ZoroSelect--511e19ea5a.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp