Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
PROTO J3124 SAE Double End Open End Wrench, 3/4 in, 7 in Overall Length - SAE, Double End, Open End Wrenches
PROTOSAE, Double End, Open End Wrenches

PROTO J3124 SAE Double End Open End Wrench, 3/4 in, 7 in Overall Length

The PROTO Open End Wrench is an SAE double-end open end wrench made from alloy steel with a chrome finish. It features a 3/4 in head size and a 7 in overall length, with manufacturer part number J3124.

SKU 3G-OTH-284826

Also listed as: J 3124 · J-3124

Brand
PROTO
Item
J3124 SAE Double End Open End Wrench, 3/4 in, 7 in Overall Length
Part Number
J3124
Category
SAE, Double End, Open End Wrenches
Available to Order
Also known as:J3124PROTO
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J3124
Type
Chrome, Std
Overall Lg
7 in
Head Size
3/4 in

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 3/4 in head size and a 7 in overall length, with manufacturer part number J3124.

Frequently Asked Questions

What is the PROTO J3124 open end wrench used for?

The PROTO J3124 is a double-end open end wrench used for tightening or loosening SAE hex fasteners. Its 3/4 in head size and 7 in length suit automotive, industrial, and mechanical maintenance tasks where access is limited.

What are the specifications of the PROTO J3124 wrench?

The PROTO J3124 is an SAE double-end open end wrench made from alloy steel with a chrome finish. It has a 3/4 in head size and a 7 in overall length. The manufacturer part number is J3124.

Where to buy the PROTO J3124 wrench worldwide?

You can source the PROTO J3124 wrench through 3G Electric, a global industrial equipment distributor. We handle logistics, customs clearance, and delivery to worldwide destinations, ensuring the wrench reaches your facility.

How to maintain a PROTO chrome alloy steel wrench?

To maintain the PROTO J3124, wipe it clean after use with a dry cloth to prevent corrosion. Store in a dry toolbox. Avoid using the wrench as a hammer or cheater bar, as this can damage the chrome finish and alloy steel structure.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from PROTO

View all PROTO parts →
Alloy steel construction with satin finish. Double-end design with 1/2 in and 9/16 in head sizes. Overall length of 7 in. Used for tightening or loosening SAE hex fasteners in general mechanical work
PROTO
Alloy steel construction with satin finish. Double-end design with 1/2 in and 9/16 in head sizes. Overall length of 7 in. Used for tightening or loosening SAE hex fasteners in general mechanical work
Alloy steel construction with satin finish. Double-ended open end wrench with 1 1/2 in and 1 5/8 in head sizes. Overall length of 17 in. Used for tightening or loosening SAE hex fasteners in industrial maintenance, construction, and mechanical repair applications
PROTO
Alloy steel construction with satin finish. Double-ended open end wrench with 1 1/2 in and 1 5/8 in head sizes. Overall length of 17 in. Used for tightening or loosening SAE hex fasteners in industrial maintenance, construction, and mechanical repair applications
This SAE double-end open end wrench is constructed from alloy steel with a satin finish. It features head sizes of 1 11/16 in and 1 13/16 in, with an overall length of 18 1/2 in. Designed for turning hex fasteners in general maintenance and repair tasks
PROTO
This SAE double-end open end wrench is constructed from alloy steel with a satin finish. It features head sizes of 1 11/16 in and 1 13/16 in, with an overall length of 18 1/2 in. Designed for turning hex fasteners in general maintenance and repair tasks
Alloy steel construction with a satin finish. Features 3/8 in and 7/16 in head sizes on opposite ends. Overall length of 5-3/4 in. Suitable for tightening or loosening SAE hex fasteners in automotive, industrial, and general mechanical applications
PROTO
Alloy steel construction with a satin finish. Features 3/8 in and 7/16 in head sizes on opposite ends. Overall length of 5-3/4 in. Suitable for tightening or loosening SAE hex fasteners in automotive, industrial, and general mechanical applications
Alloy steel double-end open end wrench with black oxide finish. Head sizes 1/2 in and 9/16 in, overall length 7 7/64 in. Used for tightening or loosening hex fasteners in maintenance and assembly tasks
PROTO
Alloy steel double-end open end wrench with black oxide finish. Head sizes 1/2 in and 9/16 in, overall length 7 7/64 in. Used for tightening or loosening hex fasteners in maintenance and assembly tasks

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first