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PROTO Open End Wrench: Alloy Steel, Satin, 3/8 in_5/16 in Head Size, 5 1/8 in Overall Lg - SAE, Double End, Open End Wrenches
PROTOSAE, Double End, Open End Wrenches

PROTO Open End Wrench: Alloy Steel, Satin, 3/8 in_5/16 in Head Size, 5 1/8 in Overall Lg

The PROTO J3020 is an SAE double-end open end wrench made from alloy steel with a satin finish. It features head sizes of 3/8 inch and 5/16 inch, with an overall length of 5 1/8 inches.

SKU 3G-OTH-284850

Brand
PROTO
Item
Open End Wrench: Alloy Steel, Satin, 3/8 in_5/16 in Head Size, 5 1/8 in Overall Lg
Category
SAE, Double End, Open End Wrenches
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Technical Specifications

PROTO
Manufacturer Part Number
J3020
Type
Satin, 3/8 in_5/16 in Head Size, Std
Overall Lg
5 1/8 in
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO J3020 is an SAE double-end open end wrench made from alloy steel with a satin finish. It features head sizes of 3/8 inch and 5/16 inch, with an overall length of 5 1/8 inches.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the PROTO J3020 open end wrench used for?

The PROTO J3020 is a double-end open end wrench used for tightening or loosening hex fasteners in confined spaces. It is common in automotive repair, industrial maintenance, and general mechanical work where SAE fasteners of 3/8 in and 5/16 in are encountered.

What are the specifications of the PROTO J3020 wrench?

The PROTO J3020 is an SAE double-end open end wrench made from alloy steel with a satin finish. It has head sizes of 3/8 in and 5/16 in, with an overall length of 5 1/8 in. The manufacturer part number is J3020.

Where to buy the PROTO J3020 wrench worldwide?

You can source the PROTO J3020 wrench 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.

How to select the right PROTO open end wrench size?

To select the correct PROTO open end wrench, match the wrench head size to the fastener's hex width. For SAE fasteners, use a 3/8 in or 5/16 in wrench as needed. The PROTO J3020 offers both sizes in one tool, suitable for dual-fastener applications.

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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