# Proto

**Manufacturer:** Proto  
**MPN:** `J4990-8M-TT`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Proto |
| Manufacturer name | Proto |
| Manufacturer | Proto, Stanley |
| DimensionUnit | inch |
| GraingerSku | 24AJ58 |
| Extra Product Name | Proto |
| UPC | 662679117757 |
| UnitOfMeasure | EA |
| Weight | 0.13, 0.15 |
| WeightUnit | lbs |
| atoms | 8 |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 0.6 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 2.7 |
| moq | 1 |
| MPN | J4990-8M-TT |
| multiple | 1 |
| qtyInStock | 3 |
| qtyInStockOverride | -2 |
| SKU | G6727506 |
| tierMinQty1 | 1 |
| tierPrice1 | 23.40 |
| url | https://www.zoro.com/proto-8-mm-tip-socket-bit-metric-38-in-drive-j4990-8m-tt/i/G6727506/ |
| width | 0.6 |
| EAN | 662679117757 |
| Part Number | J4990-8M-TT |
| Model | J4990-8M-TT |
| Product Group | Home Improvement |
| Drive Size | 3/8 in |
| Socket Type | Hex Bit |
| SAE or Metric | Metric |
| Number of Points | 6 |
| Measurement Type | Metric |
| Overall Length | 2 23/32 in |
| Material | Alloy Steel, Blend |
| Size | 8mm, One Size |
| Item | Socket Bit |
| Finish | Chrome |
| Tip Size | 8 mm |
| Category Type | Socket Bits |
| Socket Depth | Standard |
| Bit Style | Hex |
| Impact Rated | No |
| Insert Length | 1 5/8 in |
| Drive Type | Square |
| Replaceable Insert | No |
| Insulated | No |
| Tip Style | Hex |
| Tether Style | Tether Ready |
| Country of Origin (subject to change) | United States |
| ASIN | B00H1NFMVQ |
| AdultProduct | False |
| Amount | 37.15, 41.78 |
| Asin | B00H1NFMVQ |
| Autographed | False |
| Batteries_required | False |
| Binding | Tools & Home Improvement |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G6727506 | 23.4 | 1 | 3 | 1 |
| ToolUp.com | PROTO J4990-8M-TT | 27.64 | 1 | None | 1 |
| Raptor Supplies | AF8AGZ | 47.196864 | 1 | None | 1 |
| Applied Industrial | 110641690 |  |  | None | 1 |
| bscsource.com | J49908MTT | 30.79 | 1 | None | 1 |
| Guardian | 62800917 | 37.83 | 1 | None | 1 |
| motionindustries.com | 05818278 | 37.17 | 1 | None | 1 |
| stellarindustrial.com | PROTO 4990-8M-TT |  |  | None | 1 |
| Turner Supply | 267911775 |  |  | None | 1 |
| grainger.ca | PRT49908MTT |  |  | None | 1 |
| National Supply Network | 62800917 | 33.2 | 1 | None | 1 |
| imsbolt.com | J4990-8M-TT | 43.87 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/224000000/224262500/part_--J49908MTT---Proto--10f695269b.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp