# O1 Tool Steel Rectangular Bar, Material Tool Steel, Material Grade O1, Thickness 0.25 in, Thickness Tolerance +/-0.001 in, Overall Length 36 in, Overall Width 2 in, Fabrication Hot Rolled, Heat Treatable Yes, Heat Treatment Oil Hardened, Mechanical Finish Precision Ground, Yield Strength 55,000 psi, Tensile Strength 95,000 psi, Brinell Hardness 177 to 212, Rockwell Hardness C18, Standards AISI O-1, ASTM A681-08, FEDERAL QQT 570 REV C, SAE J437, UNS T31501, Includes Material Certificate Yes

**Manufacturer:** Zoro Select  
**MPN:** `O11426`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 10414 |
| CategoryIdL1 | 37 |
| CategoryIdL2 | 9066 |
| CategoryIdL3 | 10414 |
| CategoryL1 | Raw Materials |
| CategoryL2 | Stainless Steel |
| CategoryL3 | Steel Stock |
| DimensionUnit | inch |
| GTIN | None |
| GraingerSku | 33J192 |
| UPC | None |
| UnitOfMeasure | EA |
| Weight | 5.25 |
| WeightUnit | lbs |
| cali_prop65_message | WARNING: Cancer - www.P65Warnings.ca.gov |
| cali_prop65_orglabel | False |
| cali_prop65_warnmsgscenario | 5 |
| cali_prop65_whtlabel | True |
| countryOfOrigin | DE |
| height | 0.2 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 37.3 |
| moq | 1 |
| MPN | O11426 |
| multiple | 1 |
| qtyInStock | 9 |
| qtyInStockOverride | -2 |
| SKU | G4625171 |
| tierMinQty1 | 1 |
| tierPrice1 | 77.99 |
| url | https://www.zoro.com/zoro-select-oil-hard-flat-stock-o1-2-in-wx36-in-l-o11426/i/G4625171/ |
| width | 3 |
| Length | 36 in |
| Width | 2 in |
| Length Tolerance | +0.250 in/0.500 in |
| Width Tolerance | +0.005 in/-0.000 in |
| Overall Width | 2 in |
| Overall Length | 36 in |
| Nominal Size (WxL) | 2 in x 36 in |
| Item | O1 Tool Steel Rectangular Bar |
| Material | Steel |
| Thickness | 1/4 in |
| Hardness Scale | 177 to 212 BHN |
| Finish | RMS 45 Max |
| Grade | O1 |
| Standards | UNS T31501, SAE J-437, ASTM A-681-07, FEDERAL QQT-570 REV C |
| Thickness Tolerance | +/-0.001 in |
| Product Type | Oil Hard Flat Stock |
| System of Measurement | Inch |
| Rockwell Hardness | C18 |
| Includes Material Certificate | Yes |
| Heat Treatable | Yes |
| Mechanical Finish | Precision Ground |
| Fabrication | Hot Rolled |
| Material Grade | O1 |
| Tolerance Rating | Standard |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G4625171 | 77.99 | 1 | 9 | 1 |

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Structured data: `/python/html6/product/500/96500000/96889000/part_--O11426---ZoroSelect--cd2e6d4fea.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp