PROTO Universal Joint: 1/4 in Input Drive Size, 1/4 in Output Drive Size, Square
The PROTO Universal Joint (MPN J4770A) is a 1/4" Drive Hand Flex Socket Adapter with a square drive design. It features a 1/4 in input and output drive size, constructed from chrome. This adapter does not include a…
SKU 3G-OTH-310883
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The PROTO Universal Joint (MPN J4770A) is a 1/4" Drive Hand Flex Socket Adapter with a square drive design. It features a 1/4 in input and output drive size, constructed from chrome. This adapter does not include a locking mechanism.
Frequently Asked Questions
What is the PROTO Universal Joint J4770A used for?
The PROTO Universal Joint J4770A is used to transfer torque at an angle between a ratchet or driver and a socket, allowing access to fasteners in confined or offset positions. It is commonly applied in automotive repair, machinery maintenance, and assembly work where straight-line access is not possible.
What are the specifications of the PROTO Universal Joint J4770A?
The PROTO Universal Joint J4770A has a 1/4 in input and output drive size, a square drive type, and is made of chrome. It does not include a locking mechanism. The manufacturer part number is J4770A, and it is classified as a 1/4" Drive Hand Flex Socket Adapter.
Where to buy the PROTO Universal Joint J4770A worldwide?
You can source the PROTO Universal Joint J4770A through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this item as part of our extensive sourcing network.
How to select the correct universal joint for a 1/4 in drive system?
To select the correct universal joint for a 1/4 in drive system, match the input and output drive size to your ratchet or driver—here 1/4 in square. Consider the material (chrome for corrosion resistance) and whether a locking feature is needed. The PROTO J4770A is a non-locking chrome option suitable for general use.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO 1/4" drive hand flex socket adapters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
