--- product_id: 18144535 title: "Proto 3/8In Drive Torque Adapter 1/2In" brand: "stanley" price: "€ 49.39" currency: EUR in_stock: true category: "Stanley" url: https://www.desertcart.it/products/18144535-proto-3-8in-drive-torque-adapter-1-2in store_origin: IT region: Italy --- # Engineered box end for tough access 2-inch center-to-center precision Heat-treated alloy steel strength Proto 3/8In Drive Torque Adapter 1/2In **Brand:** stanley **Price:** € 49.39 **Availability:** ✅ In Stock ## Summary > ⚡ Torque with precision, power, and confidence! ## Quick Answers - **What is this?** Proto 3/8In Drive Torque Adapter 1/2In by stanley - **How much does it cost?** € 49.39 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/18144535-proto-3-8in-drive-torque-adapter-1-2in) ## Best For - stanley enthusiasts ## Why This Product - Trusted stanley brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Unmatched Durability:** Crafted from heat-treated alloy steel to withstand heavy-duty use and last a lifetime. - • **Compact & Lightweight:** At just 2 inches and 1.6 ounces, it’s the perfect portable tool for on-the-go professionals. - • **Optimized Access Design:** Specially engineered box end wall thickness balances strength with the ability to reach the toughest fasteners. - • **Trusted Brand Reliability:** Backed by Proto’s limited lifetime warranty and a 4.8-star rating from over 200 users. - • **Precision Torque Calibration:** Exact 2-inch center-to-center dimension simplifies torque calculations for flawless results every time. ## Overview The Proto 3/8" Drive Torque Adapter 1/2" is a precision-engineered tool accessory featuring a fixed 2-inch center-to-center dimension for accurate torque calibration. Made from heat-treated alloy steel, it offers exceptional strength and durability while its specially designed box end allows access to hard-to-reach fasteners. Lightweight and compact, this adapter is trusted by professionals and backed by a limited lifetime warranty. ## Description Product Description PROTO J5116 3/8" Drive Torque Adapter 1/2" From the Manufacturer Proto torque adapters are designed with a center-to-center dimension of 2". This means that the distance from the center of the square drive of the mating torque wrench to the center of the fasteners is exactly 2". This constant dimension serves to simplify the process of calculating the torque applied. The box end wall thickness is specially engineered to provide strength while still allowing ample room for access to reach difficult fasteners. ## Features - Designed for easy torque calibrations. - Adapters measure 2\ - Special heat-treated alloy steel helps to increase strength and durability. - Box end wall thickness is specially engineered to provide strength while still allowing ample room for access to reach difficult fasteners. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001HW8Z0C | | Best Sellers Rank | #742,113 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,044 in Torque Wrenches | | Brand Name | STANLEY | | Color | Silver | | Customer Reviews | 4.8 4.8 out of 5 stars (202) | | Finish Types | Brushed | | Global Trade Identification Number | 00662679164584 | | Head Style | Fixed Square | | Included Components | 3/8" Drive Torque Adapter 1/2" | | Item Length | 2 inches | | Item Type Name | 3/8" Drive Torque Adapter 1/2" | | Item Weight | 1.6 ounces | | Jaw Capacity | 0.5 inches | | Manufacturer | Proto | | Manufacturer Part Number | J5116 | | Manufacturer Warranty Description | Limited lifetime warranty | | Material Type | Blend | | Measurement Standard | SAE | | Model Number | J5116 | | Number of Items | 1 | | Operation Mode | Electric | | Package Quantity | 1 | | UPC | 662679164584 | | Unit Count | 1 Count | ## Product Details - **Brand:** STANLEY - **Color:** Silver - **Item Length:** 2 inches - **Item Weight:** 1.6 ounces - **Material:** Blend ## Images ![Proto 3/8In Drive Torque Adapter 1/2In - Image 1](https://m.media-amazon.com/images/I/41Vt8-l8iaL.jpg) ![Proto 3/8In Drive Torque Adapter 1/2In - Image 2](https://m.media-amazon.com/images/I/312Ui9lwZNL.jpg) ![Proto 3/8In Drive Torque Adapter 1/2In - Image 3](https://m.media-amazon.com/images/I/31Dn5Fhek4L.jpg) ![Proto 3/8In Drive Torque Adapter 1/2In - Image 4](https://m.media-amazon.com/images/I/31cQaXQbnvL.jpg) ![Proto 3/8In Drive Torque Adapter 1/2In - Image 5](https://m.media-amazon.com/images/I/31rq8Z5hF1L.jpg) ## Questions & Answers **Q: does it fit in 10 mm bolts? thanks** A: NO, you would need to get one for 10mm bolts. This one will NOT work. **Q: Doe anyone know if the 1/2" socket is "sloppy" (oversize: 0.512" ) enough to fit a 13mm nut?** A: Most 12 point wrenches have some "play" in them but I would recommend getting the 13mm torque adapter instead. **Q: i already have the 1/2" and 3/8" size of this torque adapter. How can I purchase the 1/4" size? is there a part#?** A: I don't think anyone makes a 3/8 drive 1/4" torque adapter. Best bet is a 1/4" wrench because the torque on a fastener that size will be minimal. Light pressure on the wrench will do the trick ## Frequently Bought Together - 3/8" Drive Torque Adapter 1/2" - 3/8" Drive Torque Adapter 7/16" - Stanley Proto J5112 3/8" Drive Torque Adapter 3/8" --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.it/products/18144535-proto-3-8in-drive-torque-adapter-1-2in](https://www.desertcart.it/products/18144535-proto-3-8in-drive-torque-adapter-1-2in) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-09-09*