# Proto

**Manufacturer:** Proto  
**MPN:** `J66310P`

The Proto J66310P is a 1/4-inch drive universal impact socket with a 5/16-inch diameter and 12-point configuration. It features a ball and spring design allowing for a 30-degree working angle and a smooth 360-degree rotation. The TorquePlus design enables quick and easy socket engagement, minimizing fastener rounding and extending fastener life.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Proto |
| Manufacturer name | Proto |
| Manufacturer | Proto, Stanley Proto |
| DimensionUnit | inch |
| GraingerSku | 4UHR3 |
| Extra Product Name | Proto |
| UPC | 662679006761, 94706684664 |
| UnitOfMeasure | EA |
| Weight | 0.07, 0.01, 0.10000000000000002 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 0.6 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 1.5 |
| moq | 1 |
| MPN | J66310P |
| multiple | 1 |
| qtyInStock | 24 |
| qtyInStockOverride | -2 |
| SKU | G2657873 |
| tierMinQty1 | 1 |
| tierPrice1 | 26.04 |
| url | https://www.zoro.com/proto-14-in-drive-impact-socket-sae-j66310p/i/G2657873/ |
| width | 1.4 |
| EAN | 662679006761, 94706684664 |
| Part Number | J66310P |
| Model | J66310P |
| Product Group | Home Improvement |
| Item | Impact Socket |
| Drive Size | 1/4 in |
| Socket Type | Universal Impact |
| Socket Size | 5/16 in |
| SAE or Metric | SAE |
| Number of Points | 12 |
| Overall Length | 1 5/16 in |
| Material | Alloy Steel |
| Size | 5/16 in, One Size |
| Finish | black oxide |
| Output Type | 12 pt |
| Impact Rated | Yes |
| Standards | ASME B107.2 |
| Category Type | Impact Socket |
| Socket Depth | Standard |
| Drive Type | Impact |
| Measurement Type | SAE |
| Tether Ready | No |
| Non-Magnetic | No |
| Non-Sparking | No |
| Socket Shape | 12-Point |
| Compatible Fastener Type | Bolts, Screws, Studs |
| Locking | Yes |
| Socket Length | 1 5/16 in |
| Country of Origin (subject to change) | United States |
| ASIN | B0078RXYZ6, B00BU4N79Q |
| AdultProduct | False |
| Amount | 39.67 |
| Asin | B0078RXYZ6, B00BU4N79Q |
| Autographed | False |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G2657873 | 26.04 | 1 | 24 | 1 |
| Grainger | 4UHR3 | 34.1 | 1 | None | 1 |
| ToolUp.com | PROTO J66310P | 25.83 | 1 | None | 1 |
| Raptor Supplies | AD9RDV |  |  | None | 1 |
| AmazonSC | B00BU4N79Q |  |  | None | 1 |
| Applied Industrial | 105848086 |  |  | None | 1 |
| bscsource.com | J66310P | 40.69 | 1 | None | 1 |
| National Supply Network | B943876 |  |  | None | 1 |
| Guardian | 66529850 |  |  | None | 1 |
| grainger.ca | PRT66310P | 38.05764677 | 1 | None | 1 |
| Turner Supply | 267900676 |  |  | None | 1 |
| motionindustries.com | 05048905 | 1288.24 | 1 | None | 1 |
| stellarindustrial.com | PROTO 66310P |  |  | None | 1 |
| jensentools.com | 485-776 | 44.62 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/195000000/195178000/part_--J66310P---Proto--23958a21dc.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp