# Lock Nut, Color Silver, Dimensional Standards ASME B18.16.6, Finish Zinc Plated, Hex Height 1/2 in, Hex Type Flange Hex Top Lock, Hex Width 1 5/16 in, Insert Material Steel, Lock Type Top Lock Distorted Thread, Made in North America No, Manufacturer Location Globally Sourced, Material Steel, Material Grade/Class Grade A, Material Quality Standards IFI 100/107, SAE J995, Maximum Temperature 500 Degrees F, Minimum Temperature -20 Degrees F, Pack Size Small Pack, REACH Compliant Yes, Removable Yes

**Manufacturer:** Zoro Select  
**MPN:** `U12100.087.0001`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 4935 |
| CategoryIdL1 | 9 |
| CategoryIdL2 | 4388 |
| CategoryIdL3 | 4935 |
| CategoryL1 | Fasteners |
| CategoryL2 | Nuts |
| CategoryL3 | Lock Nuts |
| DimensionUnit | inch |
| GTIN | None |
| GraingerSku | 29DM19 |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 1.15 |
| WeightUnit | lbs |
| cali_prop65_orglabel | True |
| cali_prop65_warnmsgscenario | 7 |
| cali_prop65_whtlabel | True |
| countryOfOrigin | ZZ |
| height | 0.9 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 6 |
| moq | 1 |
| MPN | U12100.087.0001 |
| multiple | 1 |
| qtyInStock | 1 |
| qtyInStockOverride | 1 |
| qtySource | qtyInStockOverride |
| SKU | G5710871 |
| tierMinQty1 | 1 |
| tierPrice1 | 17.99 |
| url | https://www.zoro.com/zoro-select-top-lock-distorted-thread-lock-nut-78-9-steel-grade-a-zinc-plated-12-in-ht-5-pk-u121000870001/i/G5710871/ |
| width | 4.5 |
| Thread Size | 7/8"-9 |
| Hex Height | 1/2 in |
| Hex Width | 1 5/16 in |
| Flange Dia | 1.5781 in |
| Washer Outside Diameter | 1.75 in |
| Dimensional Standards | ASME B18.16.6 |
| Width Across Flats | 1 5/16 in |
| Dia /Thread Size | 7/8"-9 |
| Item | Lock Nut |
| Hex Type | Flange Hex Top Lock |
| Lock Type | Top Lock Distorted Thread |
| Material | Steel |
| Material Grade/Class | Grade A |
| Finish | Zinc Plated |
| Standards | ASME B18.16.6; IFI 100/107; SAE J995; RoHS Compliant |
| System of Measurement | Inch |
| Thread Direction | Right Hand |
| Thread Type | UNC |
| Thread Fit | 2B |
| Resistance Properties | Corrosion Resistant |
| Rockwell Hardness | HRC 28 Max |
| Finish Type | Zinc Plated |
| Removable | Yes |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G5710871 | 17.99 | 1 | 1 | 1 |
| grainger.ca | EBP29DM19 | 39.27336266 | 1 | None | 1 |
| Grainger | 29DM19 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/98000000/98075500/part_--U121000870001---ZoroSelect--3834fd935e.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp