# Std Shoulder Screw, 1/2"-13 Thr Size, Shoulder Screw - 420F33|STR61658C20 - Grainger

**Manufacturer:** GRAINGER APPROVED  
**MPN:** `STR61658C20`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | GRAINGER APPROVED |
| Manufacturer name | GRAINGER APPROVED |
| Manufacturer | GRAINGER APPROVED |
| CategoryL3 | Shoulder Screws |
| DimensionUnit | inch |
| Hazmat | False |
| Extra Product Name | Std Shoulder Screw, 1/2"-13 Thr Size, Shoulder Screw - 420F33\|STR61658C20 - Grainger |
| countryOfOrigin | USA |
| diameter | 0.875 |
| height | 0.375 |
| height_Attrib | Head Height |
| length | 1.25 |
| length_Attrib | Shoulder Length |
| moq | 1 |
| MPN | STR61658C20 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 420F33 |
| tierMinQty1 | 1 |
| tierPrice1 | 155.99 |
| width | 0.875 |
| width_Attrib | Head Diameter |
| Item? | 420F33 |
| Mfr Model? | STR61658C20 |
| Catalog Page | N/A |
| System of Measurement | Inch |
| Thread Size | 1/2"-13 |
| Shoulder Length | 1-1/4 in |
| Shoulder Diameter | 5/8 in |
| Shoulder Length Tolerance | ?0.005 in |
| Shoulder Diameter Tolerance | -0.004 in to +0.0 in |
| Material | Stainless Steel |
| Material Grade/Class | 316 H5 |
| Finish | Plain |
| Thread Length | 3/4 in |
| Head Type | Standard |
| Drive Type | Hex |
| Drive Size | 5/16 in |
| Precision Screw | No |
| Head Diameter | 7/8 in |
| Head Height | 3/8 in |
| Dimensional Standards | ANSI/ASME B18.3 |
| Tensile Strength | 130,000 psi |
| Shear Strength | 65,000 psi |
| Display Qty | 1 |
| Display Sell UOM | EA |
| Head Texture | Knurled |
| Pack Size | Small Pack |
| Rockwell Hardness | BHN250 |
| Thread Fit | 3A |
| Type | Standard Shoulder Screw |
| UNSPSC | 31161517 |
| Country of Origin | USA |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Grainger | 420F33 | 155.99 | 1 | None | 1 |
| Zoro | G1828449 | 141.58 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/33500000/33749500/part_--STR61658C20---GRAINGERAPPROVED--5999268bcc.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp