# Split Lock Washer, Lock Washer Type Split Lock, Finish Zinc Plated, Material Steel, For Screw Size M12, Inside Diameter 12.2 mm, Outside Diameter 21.1 mm, Maximum Thickness 2.5 mm, Minimum Thickness 2.5 mm, Color Silver, Dimensional Standards DIN 127 B, Inside Diameter Tolerance +/-0.127 mm, Made in North America No, Manufacturer Location Globally Sourced, Material Grade/Class Not Graded, Material Quality Standards ASTM A307A, SAE J429, Maximum Temperature 275 Degrees F

**Manufacturer:** Zoro Select  
**MPN:** `M37020.120.0001`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 7109 |
| CategoryIdL1 | 9 |
| CategoryIdL2 | 4385 |
| CategoryIdL3 | 15203 |
| CategoryIdL4 | 7109 |
| CategoryL1 | Fasteners |
| CategoryL2 | Washers |
| CategoryL3 | Lock Washers |
| CategoryL4 | Split Lock Washers |
| DimensionUnit | inch |
| GTIN | None |
| GraingerSku | 22UK10 |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 0.43 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| color | Silver |
| countryOfOrigin | ZZ |
| height | 0.5 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 6.69 |
| moq | 1 |
| MPN | M37020.120.0001 |
| multiple | 1 |
| qtyInStock | 1065 |
| qtyInStockOverride | -2 |
| SKU | G5335522 |
| tierMinQty1 | 1 |
| tierPrice1 | 2.25 |
| url | https://www.zoro.com/zoro-select-split-lock-washer-fits-bolt-size-m12-steel-zinc-plated-finish-50-pk-m370201200001/i/G5335522/ |
| width | 6.45 |
| Fits Bolt Sizes | M12 |
| Outside Dia | 21.1 mm |
| Inside Dia | 12.2 mm |
| Outside Diameter Tolerance | +/-0.254 mm |
| Dimensional Standards | DIN 127 B |
| Inside Diameter | 12.2 mm |
| For Screw Size | M12 |
| Inside Diameter Tolerance | +/-0.127 mm |
| Outside Diameter | 21.1 mm |
| Item | Split Lock Washer |
| Material | Steel |
| Finish | Zinc Plated |
| Thickness | 2.5 mm |
| Meets/Exceeds | D127B |
| System of Measurement | Metric |
| Rockwell Hardness | C44 |
| Color | Silver |
| Thickness Tolerance | +/-0.127 mm |
| Material Type | Steel |
| Tensile Strength | Not Applicable |
| Minimum Temperature | 10 Degrees F |
| Manufacturer Location | Globally Sourced |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G5335522 | 2.25 | 1 | 1065 | 1 |
| grainger.ca | EBP22UK10 | 2.94677236 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/72000000/72027500/part_--M370201200001---ZoroSelect--4c097d084c.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp