# Carriage Bolt, Inch, Neck Type Square, Basic Material Steel, Material Grade Grade A, Fastener Finish Plain, Dia./Thread Size 1/2 In.-13, Fastener Length 3 1/2 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), ASME B18.5, SAE J429, Drill Size 33/64 in, Head Dia. 1.094 in, Head Height 17/64 in, Head Type Round, Square Height 0.281 in, Square Width 0.515 in, Tensile Strength 74,000 psi, For Use With Grade 2 Hex Nuts, Package Quantity 25

**Manufacturer:** Zoro Select  
**MPN:** `U08300.050.0350`

## 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 |
| GTIN | None |
| GraingerSku | 21A908 |
| UPC | None |
| UnitOfMeasure | PK |
| Weight | 5.03 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | ZZ |
| height | 2.5 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 7.5 |
| moq | 1 |
| MPN | U08300.050.0350 |
| multiple | 1 |
| qtyInStock | 7 |
| qtyInStockOverride | -2 |
| SKU | G4457887 |
| tierMinQty1 | 1 |
| tierPrice1 | 15.79 |
| url | https://www.zoro.com/zoro-select-carriage-bolt-12-13x3-12l-pk25-u083000500350/i/G4457887/ |
| width | 4.7 |
| Thread Size | 1/2"-13 |
| Fastener Length | 3 1/2 in |
| Neck Height | 17/64 in |
| Drill Size | 33/64 in |
| Head Dia | 1.094 in |
| Square Height | 0.281 in |
| Dia /Thread Size | 1/2"-13 |
| Square Width | 0.515 in |
| Length | 3-1/2" |
| Head Height | 17/64 in |
| Minimum Head Diameter | 1 1/32 in |
| Minimum Neck Width | 31/64 in |
| Head Width | 1 1/16 in |
| Minimum Thread Length | 1 1/4 in |
| Neck Width | 1/2 in |
| Dimensional Standards | ASME B18.5 |
| Maximum Neck Width | 33/64 in |
| Minimum Neck Height | 1/4 in |
| Maximum Neck Height | 9/32 in |
| Maximum Head Height | 17/64 in |
| Minimum Head Height | 1/4 in |
| Screw Size | 1/2"-13 |
| Maximum Head Diameter | 1 3/32 in |
| Overall Length | 3 1/2 in |
| Item | Carriage Bolt |
| Material | Steel |
| Material Grade/Class | Grade 2 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G4457887 | 15.79 | 1 | 7 | 1 |

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Structured data: `/python/html6/product/500/144000000/144229500/part_--U083000500350---ZoroSelect--32dcfc8668.json`  
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MCP server: https://www.dataalchemy.com/mcp