# Proto J4990-5M Socket, 3/8in Hex Bit, Heat-Treated, Metric Sizes, Alloy Steel, Full Polish, 5mm | JensenTools

**Manufacturer:** Proto  
**MPN:** `J4990-5M`

The Proto J4990-5M is a 3/8" hex bit socket with a 5mm size. Made from a heat-treated alloy, it offers wear-resistance and minimizes distortion for a long life. The hex opening securely holds the bit, allowing the bit holder to take the torque load. This socket has a precise 5mm size and measures 2-23/32 inches in overall length, with a 1-5/8-inch bit length.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Proto |
| Manufacturer name | Proto |
| Manufacturer | Proto, Stanley Proto |
| KnownMan | Proto J4990-5M Socket, 3/8in Hex Bit, Heat-Treated, Metric Sizes, Alloy Steel, Full Polish, 5mm \| JensenTools |
| Extra Product Name | Proto J4990-5M Socket, 3/8in Hex Bit, Heat-Treated, Metric Sizes, Alloy Steel, Full Polish, 5mm \| JensenTools |
| jsonUrlData | 9e0e3334-6bab-40d7-8989-ab3100004d12 |
| keywords | Proto J4990-5M Socket, 3/8in Hex Bit, Heat-Treated, Metric Sizes, Alloy Steel, Full Polish, 5mm 185-563 |
| moq | 1 |
| MPN | J4990-5M |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 185-563 |
| tierMinQty1 | 1 |
| tierPrice1 | 17.73 |
| UPC | 662679160357 |
| EAN | 662679160357 |
| Part Number | J4990-5M |
| Model | J4990-5M |
| Product Group | Home Improvement |
| ASIN | B00018AHH2 |
| AdultProduct | False |
| Amount | 15.01, 32.00 |
| Asin | B00018AHH2 |
| Autographed | False |
| Batteries_required | False |
| Binding | Tools & Home Improvement |
| Brand | Proto, Stanley Proto, Stanley-Proto |
| Bullet_point | 1-5/8-inch Bit Length, 2-23/32-inch Overall Length, Made in USA, Hex opening holds the bit allowing the bit holder to take the torque load, Made using a heat treated alloy for wear-resistance which he |
| Case | 1 |
| Cat | Tools & Home Improvement |
| CatId | 228013 |
| CatTree | 228013, 328182011, 468240, 551238, 553350 |
| CatalogNumberList | PTO49905M |
| ClassificationId | 2225089011 |
| Color | Multi |
| Compatible_fastener_description | 0.375 inches |
| Currency | USD |
| CurrencyCode | USD |
| Department | Unisex-Adult |
| DisplayName | Triple Square Drive |
| Drive_system | Hex |
| EANList | 662679160357 |
| Feature | Made using a heat treated alloy for wear-resistance which helps minimize distortion for a long life |
| Height | 0.51, 0.599999999388, 0.6, 0.60, 1.524, 2560, 500, 75 |
| Identifier | 00662679160357, 0662679160357, 662679160357 |
| IdentifierType | EAN, GTIN, UPC |
| IsBrandQuery | True |
| ItemClassification | BASE_PRODUCT |
| ItemName | Stanley Proto J4990-5M 3/8" Hex Bit Socket, 5mm |
| Item_length | 22.0 |
| Item_name | Stanley Proto J4990-5M 3/8" Hex Bit Socket, 5mm |
| Item_package_quantity | 1 |
| Item_package_weight | 0.15 |
| Item_type_keyword | triple-square-drive-sockets |
| Item_type_name | Proto Tool |
| Item_weight | 0.15 |
| Keyword | Y-5 |
| Label | Stanley Proto |
| Length | 2.7999999971439995, 2.799999997143999606299213, 2.8, 2.80, 6.25, 7.111999999999999 |
| Link | https://m.media-amazon.com/images/I/21DxpgqQGML._SL75_.jpg, https://m.media-amazon.com/images/I/21DxpgqQGML.jpg, https://m.media-amazon.com/images/I/51Fau9LJskL.jpg, https://www.amazon.com/gp/bestsell |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| jensentools.com | 185-563 | 17.73 | 1 | None | 1 |
| Zoro | G3904332 | 9.85 | 1 | 775 | 1 |
| ToolUp.com | PROTO J4990-5M | 11.16 | 1 | None | 1 |
| wylaco.com | J4990-5M |  |  | None | 1 |
| motionindustries.com | 01166263 | 15.03 | 1 | None | 1 |
| AmazonTP | B00018AHH2 | 11.75 | 1 | None | 1 |
| OnTime Supplies | PTO49905M |  |  | None | 1 |
| Zoro | G7143772 | 12.92 | 1 | None | 1 |
| bscsource.com | J49905M |  |  | None | 1 |
| National Supply Network | B941022 |  |  | None | 1 |
| Guardian | 85225423 |  |  | None | 1 |
| Turner Supply | 267916035 |  |  | None | 1 |
| Applied Industrial | 104178176 |  |  | None | 1 |
| stellarindustrial.com | PROTO 4990-5M |  |  | None | 1 |
| directools.com | J4990-5M |  |  | 27 | 1 |
| DGI Supply | PTO16035 | 14.56 | 1 | None | 1 |
| aih.com | PRO49905M | 11.49 | 1 | 14 | 1 |
| bhid.com | PROTO J4990-5M |  |  | None | 1 |
| airgas.com | S29J4990-5M |  |  | None | 1 |
| grovesindustrial.com | PRO 4990-5M | 11.7 | 1 | None | 1 |
| toolshackweb.com | PRO4990-5M |  |  | None | 1 |
| National Supply Network | 39937388 | 13.64 | 1 | None | 1 |
| industrialzone.com | J4990-5M | 11.22 | 1 | None | 18 |
| Grainger | 1AL81 |  |  | None | 1 |
| freertool.com | FTS-KP4202265 | 10.2 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/1000000/1492000/part_--J49905M---Proto--d1961c8bba.json`  
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MCP server: https://www.dataalchemy.com/mcp