# This Proto J4990-8MXL Socket Bit is designed to last. With a wear resistance and extra long hex bit, it will provide the performance you need for your project. It has an overall length of 6 3/32 in., with a tip size of 8 mm and socket type of extra long hex bit. The drive size is 3/8 in., which makes it compatible with most power tools available on the market today. This six point socket bit features alloy steel material, making it resistant to rust and corrosion. With its wear resistance and strong build, this Proto J4990-8MXL Socket Bit is the high quality tool that will meet all your demands for a long time to come.

**Manufacturer:** Proto  
**MPN:** `J4990-8MXL`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Proto |
| Manufacturer name | Proto |
| Manufacturer | Proto, Stanley Proto |
| CategoryId | 11956 |
| CategoryIdL1 | 10 |
| CategoryIdL2 | 4423 |
| CategoryIdL3 | 11956 |
| CategoryL1 | Tools & Machining |
| CategoryL2 | Hand Tools |
| CategoryL3 | Sockets & Ratchets |
| CategoryL4 | Bit Sockets |
| DimensionUnit | inch |
| GTIN | 662679160425 |
| GraingerSku | 1AL90 |
| UPC | 662679160425, 94700694713 |
| UnitOfMeasure | EA |
| Weight | 0.2, 0.20, 0.20000000000000004 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 0.8 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 6.2 |
| moq | 1 |
| MPN | J4990-8MXL |
| multiple | 1 |
| qtyInStock | 210 |
| qtyInStockOverride | -2 |
| SKU | G0719731 |
| tierMinQty1 | 1 |
| tierPrice1 | 18.19 |
| url | https://www.zoro.com/proto-8-mm-tip-socket-bit-metric-38-in-drive-j4990-8mxl/i/G0719731/ |
| width | 0.8 |
| EAN | 662679160425, 94700694713 |
| Part Number | J4990-8MXL |
| Model | J4990-8MXL |
| Product Group | Home Improvement |
| Drive Size | 3/8 in |
| Overall Length | 6 3/32 in |
| Size | 8mm, 3/8in |
| Tip Size | 8 mm |
| Insert Length | 5 in |
| Socket Depth | Standard |
| Socket Type | Extra Long Hex Bit |
| SAE or Metric | Metric |
| Number of Points | 6 |
| Measurement Type | Metric |
| Material | Alloy Steel |
| Item | Socket Bit |
| Finish | Chrome |
| Category Type | Socket Bits |
| Bit Style | Hex |
| Features | Wear Resistance |
| Drive Type | Square |
| Impact Rated | No |
| Replaceable Insert | No |
| Tip Style | Hex |
| Insulated | No |
| ASIN | B00018AHJ0, B000LDIPCG |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G0719731 | 18.19 | 1 | 210 | 1 |
| Grainger | 1AL90 |  |  | None | 1 |
| Global Industrial | WBB940688 |  |  | None | 1 |
| ToolUp.com | PROTO J4990-8MXL | 15.53 | 1 | None | 1 |
| Resourceful Supply | J4990-8MXL | 8.49 | 1 | 3 | 1 |
| wylaco.com | J4990-8MXL |  |  | None | 1 |
| Raptor Supplies | AA8WJH | 27.6320655 | 1 | None | 1 |
| motionindustries.com | 01166301 | 20.91 | 1 | None | 1 |
| Amazon | B00018AHJ0 | 8.95 | 1 | None | 1 |
| Zoro | G7144016 | 17.63 | 1 | None | 1 |
| Applied Industrial | 104185563 |  |  | None | 1 |
| bscsource.com | J49908MXL | 21.49 | 1 | None | 1 |
| grainger.ca | PRT4990-8MXL | 26.75320916 | 1 | None | 1 |
| jensentools.com | WWG1AL90 | 24.69 | 1 | None | 1 |
| sustainablesupply.com | C1296304 | 18.87 | 1 | None | 1 |
| Guardian | 99324832 |  |  | None | 1 |
| Turner Supply | 267916042 |  |  | None | 1 |
| kscdirect.com | BLA J4990-8MXL |  |  | None | 1 |
| stellarindustrial.com | PROTO 4990-8MXL |  |  | None | 1 |
| directools.com | J4990-8MXL |  |  | None | 1 |
| bhid.com | PROTO J4990-8MXL |  |  | None | 1 |
| toolshackweb.com | PRO4990-8MXL |  |  | None | 1 |
| National Supply Network | 99324832 | 19.21 | 1 | None | 1 |
| freertool.com | FTS-KP4202300 | 14.19 | 1 | None | 1 |
| imsbolt.com | J4990-8MXL | 24.69 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/11000000/11344000/part_--J49908MXL---Proto--4e420a354b.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp