# Flex Impact Socket, Socket Size 16 mm, Socket Shape 12-Point, Drive Type Impact, Drive Size 3/8 in, Compatible Fastener Type Bolts, Screws, Studs, No, Alloy Steel, Black Oxide, Impact Rated Yes, Socket Depth Standard, Socket Length 1 3/32 in

**Manufacturer:** Proto  
**MPN:** `J77516MP`

The Proto J77516MP 3/8" Drive Universal Impact Socket features a ball and spring design that allows for a 30° working angle. It has smooth 360° rotation and the TorquePlus design enables quick and easy socket engagement to the fastener flats. The TorquePlus configuration also employs a radius-corner design, shifting contact area and stress away from the fastener corners.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Proto |
| Manufacturer name | Proto |
| Manufacturer | Proto, Stanley Proto |
| CategoryId | 11948 |
| CategoryIdL1 | 10 |
| CategoryIdL2 | 4423 |
| CategoryIdL3 | 11948 |
| CategoryL1 | Tools & Machining |
| CategoryL2 | Hand Tools |
| CategoryL3 | Sockets & Ratchets |
| CategoryL4 | Impact Sockets |
| DimensionUnit | inch |
| GTIN | 662679006402 |
| GraingerSku | 4UHW5 |
| UPC | 662679006402, 94706420026 |
| UnitOfMeasure | EA |
| Weight | 0.25 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 1 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 3.9 |
| moq | 1 |
| MPN | J77516MP |
| multiple | 1 |
| qtyInStock | 18 |
| qtyInStockOverride | -2 |
| SKU | G0248071 |
| tierMinQty1 | 1 |
| tierPrice1 | 29.69 |
| url | https://www.zoro.com/proto-flex-impact-socket-38-in-dr-16mm-12-pt-j77516mp/i/G0248071/ |
| width | 2.2 |
| EAN | 94706420026, 662679006402 |
| Part Number | J77516MP |
| Product Group | BISS |
| Drive Size | 3/8 in |
| Overall Length | 1 3/32 in |
| Size | 16mm, One Size |
| Socket Depth | Standard |
| Socket Size | 16 mm |
| Socket Length | 1 3/32 in |
| SAE or Metric | Metric |
| Number of Points | 12 |
| Material | Alloy Steel, Blend |
| Finish | black oxide |
| Output Type | 6 pt |
| Impact Rated | Yes |
| Drive Type | Impact |
| Item | Flex Impact Socket |
| Category Type | Impact Socket |
| Measurement Type | Metric |
| Standards | ASME B107.110-2012 |
| Tether Ready | No |
| Non-Sparking | No |
| Non-Magnetic | No |
| Compatible Fastener Type | Bolts, Screws, Studs |
| Socket Shape | 12-Point |
| Locking | Yes |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G0248071 | 29.69 | 1 | 18 | 1 |
| Grainger | 4UHW5 |  |  | None | 1 |
| ToolUp.com | PROTO J77516MP | 27.35 | 1 | None | 1 |
| motionindustries.com | 05049719 | 42.02 | 1 | None | 1 |
| Raptor Supplies | AD9RFK | 52.180245 | 1 | None | 1 |
| Amazon | B00BNSHY8E |  |  | None | 1 |
| Applied Industrial | 105842537 |  |  | None | 1 |
| bscsource.com | J77516MP | 40.99 | 1 | None | 1 |
| grainger.ca | PRT77516MP |  |  | None | 1 |
| National Supply Network | B942518 |  |  | None | 1 |
| Guardian | 66530007 |  |  | None | 1 |
| Turner Supply | 267900640 |  |  | None | 1 |
| stellarindustrial.com | PROTO 77516MP |  |  | None | 1 |
| directools.com | J77516MP |  |  | None | 1 |
| National Supply Network | 66530007 | 37.9 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/194000000/194103000/part_--J77516MP---Proto--ca5f3a486d.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp