# J4990-4M

**Manufacturer:** PROTO  
**MPN:** `J4990-4M`

The Proto J4990-4M 3/8-Inch Hex Bit Socket, 4mm, is made using a heat-treated alloy for wear-resistance, which helps minimize distortion for a long life. It features a 3/8-inch drive metric hex bit socket with precise 4mm size, a 1-5/8-inch bit length, and a 2-23/32-inch overall length.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | PROTO |
| Manufacturer name | PROTO |
| Manufacturer | PROTO, Stanley Proto |
| Hazmat | False |
| extendedQty | 0 |
| moq | 1 |
| MPN | J4990-4M |
| multiple | 1 |
| qtyInStock | 0 |
| qtySource | updateFromUrlEntry |
| SKU | 1AL80 |
| UPC | 662679160333 |
| EAN | 787721635000 |
| Part Number | J4990-4M |
| Model | J4990-4M |
| Product Group | Home Improvement |
| ASIN | B00018AHGI |
| AdultProduct | False |
| Amount | 14.40, 16.18 |
| Asin | B00018AHGI |
| Autographed | False |
| Batteries_required | False |
| Binding | Tools & Home Improvement |
| Brand | Proto, Stanley-Proto |
| Bullet_point | 1-5/8-inch Bit Length, 2-23/32-inch Overall Length, 3/8-inch Drive Metric Hex Bit Socket, Made using a heat treated alloy for wear-resistance which helps minimize distortion for a long life, Precise 4 |
| Case | 1 |
| Cat | Tools & Home Improvement |
| CatId | 228013 |
| CatTree | 228013, 328182011, 468240, 551238, 553350 |
| CatalogNumberList | 2AG14450PTO49904M |
| ClassificationId | 2225089011 |
| Color | Multi |
| Compatible_fastener_description | 0.375 inches |
| Currency | USD |
| CurrencyCode | USD |
| Department | Hand Tools, Unisex-Adult |
| DisplayName | Triple Square Drive |
| Drive_system | Hex |
| EANList | 787721635000 |
| Feature | Made using a heat treated alloy for wear-resistance which helps minimize distortion for a long life |
| Height | 0.49999999949, 0.5, 1, 1.0, 1.27, 2560, 500, 75 |
| Identifier | 00662679160333, 0662679160333, 662679160333 |
| IdentifierType | EAN, GTIN, UPC |
| IsBrandQuery | True |
| ItemClassification | BASE_PRODUCT |
| ItemName | 3/8" Hex Bit Socket - 4 mm |
| Item_name | 3/8" Hex Bit Socket - 4 mm |
| Item_package_quantity | 1 |
| Item_package_weight | 0.10000000000000002 |
| Item_type_keyword | triple-square-drive-sockets |
| Item_type_name | 3/8" Hex Bit Socket - 4 mm |
| Item_weight | 0.06 |
| Keyword | J4990-4M |
| Label | Stanley Proto |
| Length | 1, 1.0, 2.699999997246, 2.6999999972460001968503935, 2.7, 6.8580000000000005 |
| Link | https://m.media-amazon.com/images/I/21imJFDCztL._SL75_.jpg, https://m.media-amazon.com/images/I/21imJFDCztL.jpg, https://m.media-amazon.com/images/I/51wxchpwgSL.jpg, https://www.amazon.com/gp/bestsell |
| List_price | 16.18 |
| Man | Stanley Proto |
| Material | Blend |
| MaterialType | Blend |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Grainger | 1AL80 |  |  | None | 1 |
| jensentools.com | 200-821 | 16.99 | 1 | None | 1 |
| Zoro | G3904183 | 10.92 | 1 | 476 | 1 |
| Grainger | 426H76 | 13.17 | 1 | None | 1 |
| ToolUp.com | PROTO J4990-4M | 10.71 | 1 | None | 1 |
| wylaco.com | J4990-4M |  |  | None | 1 |
| motionindustries.com | 01166238 | 11.22 | 1 | None | 1 |
| OnTime Supplies | PTO49904M |  |  | None | 1 |
| bscsource.com | J49904M |  |  | None | 1 |
| grainger.ca | PRT4990-4M | 12.6653147 | 1 | None | 1 |
| National Supply Network | B941026 |  |  | None | 1 |
| Guardian | 85225407 | 15.15 | 1 | None | 1 |
| Applied Industrial | 104186185 |  |  | None | 1 |
| stellarindustrial.com | PROTO 4990-4M |  |  | None | 1 |
| directools.com | J4990-4M | 8.54 | 1 | 17 | 1 |
| Turner Supply | 267916033 |  |  | None | 1 |
| Zoro | G2269933 | 8.62 | 1 | None | 1 |
| DGI Supply | PTO16033 | 13.96 | 1 | None | 1 |
| aih.com | PRO49904M | 11.99 | 1 | 12 | 1 |
| bhid.com | PROTO J4990-4M | 11.97 | 1 | None | 1 |
| grovesindustrial.com | PRO 4990-4M | 6.29 | 1 | 2 | 1 |
| toolshackweb.com | PRO4990-4M | 13.17 | 1 | None | 1 |
| National Supply Network | 39937719 | 13.15 | 1 | None | 1 |
| freertool.com | FTS-KP4202255 | 9.78 | 1 | None | 1 |
| imsbolt.com | J4990-4M | 16.99 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/259000000/259345000/part_--J49904M---PROTO--34da4ceae7.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp