We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

PROTO Open End Wrench: Alloy Steel, Satin, 1/2 in_7/16 in Head Size, 6 3/8 in Overall Lg - SAE, Double End, Open End Wrenches
PROTOSAE, Double End, Open End Wrenches

PROTO Open End Wrench: Alloy Steel, Satin, 1/2 in_7/16 in Head Size, 6 3/8 in Overall Lg

The PROTO Open End Wrench is an SAE double-end open end wrench made from alloy steel with a satin finish. It features head sizes of 1/2 in and 7/16 in, with an overall length of 6 3/8 in (MPN J3025).

SKU 3G-OTH-284843

Also listed as: J 3025 · J-3025

Brand
PROTO
Item
Open End Wrench: Alloy Steel, Satin, 1/2 in_7/16 in Head Size, 6 3/8 in Overall Lg
Category
SAE, Double End, Open End Wrenches
Available to Order
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.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
J3025
Type
Satin, 1/2 in_7/16 in Head Size, Std
Overall Lg
6 3/8 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 satin finish. It features head sizes of 1/2 in and 7/16 in, with an overall length of 6 3/8 in (MPN J3025).

Frequently Asked Questions

What is the PROTO J3025 open end wrench used for?

The PROTO J3025 open end wrench is used for tightening or loosening SAE hex fasteners in automotive, industrial, and mechanical maintenance applications. Its double-end design with 1/2 in and 7/16 in head sizes provides versatility for common bolt sizes in machinery and equipment repair.

What are the specifications of the PROTO J3025 wrench?

The PROTO J3025 is an SAE double-end open end wrench made from alloy steel with a satin finish. It has head sizes of 1/2 in and 7/16 in, with an overall length of 6 3/8 in. The alloy steel construction provides durability for repeated use in demanding environments.

Where to buy the PROTO J3025 wrench worldwide?

You can source the PROTO J3025 wrench worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply PROTO tools to customers across multiple industries.

How to select the right PROTO open end wrench size?

To select the right PROTO open end wrench, match the head size to the fastener's hex width. For the J3025, use the 1/2 in end on 1/2 in bolts and the 7/16 in end on 7/16 in bolts. Ensure the wrench fits snugly to avoid rounding fastener corners. PROTO alloy steel wrenches offer reliable grip for standard SAE fasteners.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
PROTO Open End Wrench: Alloy Steel, Satin, 1/2 in_9/16 in Head Size, 7 in Overall Lg, Std (MPN J3026)
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 1/2 in_9/16 in Head Size, 7 in Overall Lg, Std (MPN J3026)
PROTO Open End Wrench: Alloy Steel, Satin, 3/8 in_7/16 in Head Size, 5 3/4 in Overall Lg, Std (MPN J3021)
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 3/8 in_7/16 in Head Size, 5 3/4 in Overall Lg, Std (MPN J3021)
PROTO Open End Wrench: Alloy Steel, Satin, 3/8 in_5/16 in Head Size, 5 1/8 in Overall Lg, Std (MPN J3020)
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 3/8 in_5/16 in Head Size, 5 1/8 in Overall Lg, Std (MPN J3020)
PROTO Open End Wrench: Alloy Steel, Satin, 1/4 in_5/16 in Head Size, 4 31/64 in Overall Lg, Std (MPN J3018)
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 1/4 in_5/16 in Head Size, 4 31/64 in Overall Lg, Std (MPN J3018)
PROTO Open End Wrench: Alloy Steel, Satin, 5/8 in_9/16 in Head Size, 7 5/8 in Overall Lg, Std (MPN J3030)
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 5/8 in_9/16 in Head Size, 7 5/8 in Overall Lg, Std (MPN J3030)
PROTO Open End Wrench: Alloy Steel, Satin, 3/4 in_11/16 in Head Size, 8 7/8 in Overall Lg, Std (MPN J3035)
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 3/4 in_11/16 in Head Size, 8 7/8 in Overall Lg, Std (MPN J3035)

More from PROTO

View all PROTO parts
PROTO Open End Wrench: Alloy Steel, Chrome, 1 3/8 in Head Size, 13 3/4 in Overall Lg, Std (MPN J3144)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 1 3/8 in Head Size, 13 3/4 in Overall Lg, Std (MPN J3144)
PROTO Open End Wrench: Alloy Steel, Satin, 3/4 in_5/8 in Head Size, 8 9/16 in Overall Lg, Std (MPN J3031)
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 3/4 in_5/8 in Head Size, 8 9/16 in Overall Lg, Std (MPN J3031)
PROTO Open End Wrench: Alloy Steel, Chrome, 7/8 in Head Size, 8 in Overall Lg, Std (MPN J3128)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 7/8 in Head Size, 8 in Overall Lg, Std (MPN J3128)
PROTO Open End Wrench: Alloy Steel, Satin, 13/64 in_15/64 in Head Size, 3 in Overall Lg, Std, SAE (MPN J3211)
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 13/64 in_15/64 in Head Size, 3 in Overall Lg, Std, SAE (MPN J3211)
PROTO Open End Wrench: Alloy Steel, Chrome, 1 1/2 in Head Size, 14 1/2 in Overall Lg, Std (MPN J3148)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 1 1/2 in Head Size, 14 1/2 in Overall Lg, Std (MPN J3148)
PROTO Open End Wrench: Alloy Steel, Chrome, 2 in Head Size, 21 1/4 in Overall Lg, Std (MPN J3164)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 2 in Head Size, 21 1/4 in Overall Lg, Std (MPN J3164)
PROTO Open End Wrench: Alloy Steel, Chrome, 1 1/4 in Head Size, 12 1/4 in Overall Lg, Std (MPN J3140)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 1 1/4 in Head Size, 12 1/4 in Overall Lg, Std (MPN J3140)
PROTO Open End Wrench: Alloy Steel, Black Oxide, 1 1/2 in_1 5/8 in Head Size, 17 1/16 in Overall Lg (MPN J3070B)
PROTO
PROTO Open End Wrench: Alloy Steel, Black Oxide, 1 1/2 in_1 5/8 in Head Size, 17 1/16 in Overall Lg (MPN J3070B)