# 5/16"-18, Modified Bottoming, UNC, 3 Flutes, Steam Oxide

**Manufacturer:** Walter Prototyp  
**MPN:** `A225033-UNC5/16`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Walter Prototyp |
| Manufacturer name | Walter Prototyp |
| Manufacturer | Walter Prototyp, Walter |
| DimensionUnit | inch |
| GraingerSku | 427N66 |
| Extra Product Name | 5/16"-18, Modified Bottoming, UNC, 3 Flutes, Steam Oxide |
| WeightUnit | lbs |
| countryOfOrigin | Germany |
| diameter | 0.3125 |
| extendedLead | 11 |
| extendedQty | -2 |
| height | 0.3125 |
| height_Attrib | Shank Dia. |
| length | 2.8125 |
| length_Attrib | Overall Length |
| moq | 1 |
| MPN | A225033-UNC5/16 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | G2561708 |
| tierMinQty1 | 1 |
| tierPrice1 | 36.88 |
| url | https://www.zoro.com/walter-prototyp-tap-516-18-thread-size-hss-a225033-unc516/i/G2561708/ |
| width | 0.3125 |
| width_Attrib | Shank Dia. |
| Part Number | A225033-UNC5/16 |
| Model | 5080221 |
| Product Group | BISS |
| Item | Tap |
| Overall Length | 2-13/16" |
| Tap Style | Spiral Flute |
| Shank Dia | 5/16" |
| Tap Chamfer | Modified Bottoming |
| Tap Dimension Type | Inch |
| Tap Material | High Speed Steel |
| Tap Size | 5/16" |
| Number of Flutes | 3 |
| Thread Length | 3/4" |
| Thread Direction | Right Hand |
| Standards | ANSI B94.9 |
| Pitch Diameter Limit | 3B |
| Tap Finish | Steam Oxide |
| Tap Thread Size | 5/16"-18 |
| Tap Thread Type | UNC |
| Number of Pieces | 1 |
| List Number | A225033 |
| Cutting Direction - Machining | Right Hand |
| Country of Origin (subject to change) | Germany |
| Asin | B017BJNYGE |
| Binding | Misc. |
| Brand | Walter Tools |
| Case | 1 |
| Cat | Industrial & Scientific |
| CatId | 16310091 |
| CatTree | 16310091, 16310161, 383598011 |
| Feature | Chamfer form E = 1.5 - 2 thread |
| IsDeadAsin | True |
| Label | Walter |
| Man | Walter |
| NumberOfItems | 1 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G2561708 | 36.88 | 1 | None | 1 |
| AmazonSC | B017BJNYGE |  |  | None | 1 |

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Structured data: `/python/html6/product/500/56000000/56033500/part_--A225033UNC516---WalterPrototyp--10792dc7b4.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp