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PROTO Open End Wrench: Alloy Steel, Chrome, 1/2 in Head Size, 5 1/4 in Overall Lg - SAE, Double End, Open End Wrenches
PROTOSAE, Double End, Open End Wrenches

PROTO Open End Wrench: Alloy Steel, Chrome, 1/2 in Head Size, 5 1/4 in Overall Lg

The PROTO Open End Wrench is an SAE double-end open end wrench made from alloy steel with a chrome finish. It features a 1/2 in head size and a 5 1/4 in overall length, identified by manufacturer part number J3116.

SKU 3G-OTH-284794

Also listed as: J 3116 · J-3116

Brand
PROTO
Item
Open End Wrench: Alloy Steel, Chrome, 1/2 in Head Size, 5 1/4 in Overall Lg
Category
SAE, Double End, Open End Wrenches
Available to Order
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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.

Technical Specifications

PROTO
Manufacturer Part Number
J3116
Type
Chrome, Std
Overall Lg
5 1/4 in
Head Size
1/2 in

Technical Documents

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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Open End Wrench is an SAE double-end open end wrench made from alloy steel with a chrome finish. It features a 1/2 in head size and a 5 1/4 in overall length, identified by manufacturer part number J3116.

Frequently Asked Questions

What is the PROTO J3116 open end wrench used for?

The PROTO J3116 is a double-end open end wrench used for tightening or loosening hex fasteners in automotive, industrial, and mechanical applications. Its SAE 1/2 in head size suits standard U.S. fasteners, and the chrome finish resists corrosion in shop environments.

What are the specifications of the PROTO J3116 wrench?

The PROTO J3116 is an SAE double-end open end wrench made from alloy steel with a chrome finish. It has a 1/2 in head size and a 5 1/4 in overall length. The manufacturer part number is J3116, and it is a standard chrome type.

Where to buy the PROTO J3116 wrench worldwide?

You can source the PROTO J3116 open end wrench through 3G Electric, a global industrial equipment distributor. We handle logistics, customs clearance, and delivery to worldwide locations, ensuring the wrench reaches your facility reliably.

How to maintain a PROTO chrome wrench?

To maintain a PROTO chrome wrench, wipe it clean after use with a dry cloth to remove grease and moisture. Store it in a dry toolbox to prevent corrosion. Avoid using the wrench on damaged fasteners, as this can wear the chrome finish over time.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

PROTO Products

3G Electric supplies PROTO sae, double end, open end wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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