# Flat Washer, Fits Bolt Size #8 18-8 Stainless Steel, Plain Finish, 100 PK

**Manufacturer:** Zoro Select  
**MPN:** `Z0540-188`

## 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 |
| GraingerSku | 6UKY6 |
| Extra Product Name | Flat Washer, Fits Bolt Size #8 18-8 Stainless Steel, Plain Finish, 100 PK |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 0.06 |
| WeightUnit | lbs |
| atoms | 100 |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| color | Silver |
| countryOfOrigin | US |
| height | 1 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 3 |
| moq | 1 |
| MPN | Z0540-188 |
| multiple | 1 |
| qtyInStock | 286 |
| qtyInStockOverride | -2 |
| SKU | G2121244 |
| tierMinQty1 | 1 |
| tierPrice1 | 5.62 |
| url | https://www.zoro.com/zoro-select-flat-washer-fits-bolt-size-8-18-8-stainless-steel-plain-finish-100-pk-z0540-188/i/G2121244/ |
| width | 1 |
| Fits Bolt Sizes | #8 |
| Washer Outside Dia | 3/8 in |
| Washer Inside Dia | 11/64 in |
| Inside Dia | 11/64" |
| Outside Diameter | 3/8 in |
| Inside Diameter | 0.172 in |
| For Screw Size | #8 |
| Outside Diameter Tolerance | +/-0.010 in |
| Pack Size | Small Pack |
| Inside Diameter Tolerance | +/-0.010 in |
| Item | Flat Washer |
| Washer Basic Material | 18-8 Stainless Steel |
| Fastener Finish | Plain |
| Thickness | 0.024 in to 0.038 in |
| Washer Standards | Industry Standard |
| System of Measurement | Inch |
| Flat Washer Type | Flat Washer |
| Washer Material Grade | 18-8 |
| Rockwell Hardness | B70 |
| Package Quantity | 100 |
| Thickness Tolerance | +0.005/-0.004 in |
| Application | Load Distribution |
| Color | Silver |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G2121244 | 5.62 | 1 | 286 | 1 |
| grainger.ca | WWG6UKY6 | 4.99582162 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/163500000/163979500/part_--Z0540188---ZoroSelect--5d2fdcc68f.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp