# Carriage Bolt,HDG,5/16-18x4 L,Pk50

**Manufacturer:** Zoro Select  
**MPN:** `U08307.031.0400`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Zoro Select |
| Manufacturer name | Zoro Select |
| Manufacturer | Zoro Select |
| CategoryId | 4924 |
| CategoryIdL1 | 9 |
| CategoryIdL2 | 4395 |
| CategoryIdL3 | 4924 |
| CategoryL1 | Fasteners |
| CategoryL2 | Screws & Bolts |
| CategoryL3 | Carriage Bolts |
| DimensionUnit | inch |
| GraingerSku | 1LU90 |
| Extra Product Name | Carriage Bolt,HDG,5/16-18x4 L,Pk50 |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 4.06 |
| WeightUnit | lbs |
| atoms | 50 |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | ZZ |
| height | 1 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 12.99 |
| moq | 1 |
| MPN | U08307.031.0400 |
| multiple | 1 |
| qtyInStock | 45 |
| qtyInStockOverride | -2 |
| SKU | G3178025 |
| tierMinQty1 | 1 |
| tierPrice1 | 18.29 |
| url | https://www.zoro.com/zoro-select-carriage-bolt-hdg-516-18x4-l-pk50-u083070310400/i/G3178025/ |
| width | 6.77 |
| Thread Size | 5/16"-18 |
| Fastener Length | 4 in |
| Neck Height | 11/64 in |
| Length | 4" |
| Square Width | 0.307 in |
| Square Height | 0.156 in |
| Dia /Thread Size | 5/16"-18 |
| Head Height | 11/64 in |
| Drill Size | 21/64 in |
| Head Dia | 0.688 in |
| Maximum Neck Height | 3/16 in |
| Head Width | 45/64 in |
| Minimum Head Height | 5/32 in |
| Pack Size | Small Pack |
| Maximum Head Height | 11/64 in |
| Screw Size | 5/16"-18 |
| Minimum Neck Height | 5/32 in |
| Maximum Head Diameter | 23/32 in |
| Neck Width | 5/16 in |
| Dimensional Standards | ASME B18.5 |
| Minimum Thread Length | 7/8 in |
| Maximum Neck Width | 21/64 in |
| Minimum Head Diameter | 11/16 in |
| Minimum Neck Width | 5/16 in |
| Overall Length | 4 in |
| Item | Carriage Bolt |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G3178025 | 18.29 | 1 | 45 | 1 |

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Structured data: `/python/html6/product/500/41000000/41435000/part_--U083070310400---ZoroSelect--32fcfe5d8b.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp