# W1 Tool Steel Rod, Material Tool Steel, Material Grade W1, Overall Length 36 in, Heat Treatable Yes, Heat Treatment Water Hardened, Mechanical Finish Precision Ground, Outside Diameter 1/2 in, Outside Diameter Tolerance +/-0.001 in, Yield Strength 55,000 psi, Fabrication Hot Rolled, Rockwell Hardness C23, Brinell Hardness 241, Tensile Strength 95,000 psi, Machinability 100 Percent, Length Tolerance +1/8 in/-0 in, Includes Material Certificate Yes

**Manufacturer:** Zoro Select  
**MPN:** `W1D126`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 7578 |
| CategoryIdL1 | 37 |
| CategoryIdL2 | 18890 |
| CategoryIdL3 | 7578 |
| CategoryL1 | Raw Materials |
| CategoryL2 | Alloy Steel |
| CategoryL3 | Alloy Steel Rods |
| DimensionUnit | inch |
| GTIN | None |
| GraingerSku | 33J350 |
| UPC | None |
| UnitOfMeasure | EA |
| Weight | 2.05 |
| WeightUnit | lbs |
| cali_prop65_message | WARNING: Cancer - www.P65Warnings.ca.gov |
| cali_prop65_orglabel | False |
| cali_prop65_warnmsgscenario | 5 |
| cali_prop65_whtlabel | True |
| countryOfOrigin | US |
| height | 0.5 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 36.3 |
| moq | 1 |
| MPN | W1D126 |
| multiple | 1 |
| qtyInStock | 159 |
| qtyInStockOverride | -2 |
| SKU | G4577395 |
| tierMinQty1 | 1 |
| tierPrice1 | 15.69 |
| url | https://www.zoro.com/zoro-select-water-hard-drill-rod-w1-12-05-in-w1d126/i/G4577395/ |
| width | 0.5 |
| Fractional Size | 1/2 in |
| Length | 36 in |
| Dia Tolerance | +/-0.001 in |
| Length Tolerance | +0.125 in/-0.000 in |
| Outside Diameter Tolerance | +/-0.001 in |
| Outside Diameter | 1/2 in |
| Overall Length | 36 in |
| Grade | W1 |
| Material | Steel |
| Finish | 20 RMS Max |
| Hardness Scale | 241 BHN Max |
| Standards | UNS T72301, SAE J437, ASTM A-686-92, FEDERAL QQT-580 REV C |
| Decimal Equivalent | 0.5 in |
| Item | W1 Tool Steel Rod |
| Product Type | Water Hard, Drill Rod |
| Machinability | 100 % |
| Fabrication | Hot Rolled |
| Heat Treatable | Yes |
| Brinell Hardness | 241 |
| Tolerance Rating | Standard |
| Rockwell Hardness | C23 |
| Heat Treatment | Water Hardened |
| Tensile Strength | 95,000 psi |
| Shape | Rod |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G4577395 | 15.69 | 1 | 159 | 1 |

---
Structured data: `/python/html6/product/500/99000000/99122000/part_--W1D126---ZoroSelect--2fcfe4919a.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp