# Extra Thick Washer, Flat Washer Type Standard, Material Steel, Material Grade/Class Grade 5, Finish Black Oxide, For Screw Size M5, Inside Diameter 5.3 mm, Outside Diameter 15 mm, Maximum Thickness 3.5 mm, System of Measurement Metric, Minimum Thickness 3.5 mm, Color Black, Inside Diameter Tolerance +/-0.010 in, Outside Diameter Tolerance +/-0.010 in, Pack Size Small Pack, Rockwell Hardness C4, Thickness Tolerance +0.40mm/-0.50mm, Package Quantity 5

**Manufacturer:** Zoro Select  
**MPN:** `Z8844`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 4958 |
| CategoryIdL1 | 9 |
| CategoryIdL2 | 4385 |
| CategoryIdL3 | 15199 |
| CategoryIdL4 | 4958 |
| CategoryL1 | Fasteners |
| CategoryL2 | Washers |
| CategoryL3 | General Washers |
| CategoryL4 | Flat Washers |
| DimensionUnit | inch |
| GTIN | None |
| GraingerSku | 5RU10 |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 0.04 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| color | Black |
| countryOfOrigin | US |
| height | 0.3 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 3 |
| moq | 1 |
| MPN | Z8844 |
| multiple | 1 |
| qtyInStock | 92 |
| qtyInStockOverride | -2 |
| SKU | G2730576 |
| tierMinQty1 | 1 |
| tierPrice1 | 8.65 |
| url | https://www.zoro.com/zoro-select-flat-washer-fits-bolt-size-m5-steel-black-oxide-finish-5-pk-z8844/i/G2730576/ |
| width | 0.5 |
| Fits Bolt Sizes | M5 |
| Washer Outside Dia | 15 mm |
| Washer Inside Dia | 5.3 mm |
| Inside Dia | 5.3mm |
| Outside Diameter | 15 mm |
| Inside Diameter | 5.3 mm |
| Inside Diameter Tolerance | +/-0.010 in |
| Outside Diameter Tolerance | +/-0.010 in |
| For Screw Size | M5 |
| Item | Flat Washer |
| Material | Steel |
| Finish | Black Oxide |
| Thickness | 3 mm to 3.4 mm |
| Washer Standards | N/A |
| System of Measurement | Metric |
| Thickness Tolerance | +0.40mm/-0.50mm |
| Application | Load Distributing |
| Rockwell Hardness | 16N80 |
| Flat Washer Type | Extra Thick Flat Washer |
| Color | Black |
| Type | Standard |
| Material Grade/Class | Case Hardened |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G2730576 | 8.65 | 1 | 92 | 1 |

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Structured data: `/python/html6/product/500/103000000/103365500/part_--Z8844---ZoroSelect--efac892f70.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp