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PROTO Open End Wrench: Alloy Steel, Satin, 5/8 in_11/16 in Head Size, 8 1/4 in Overall Lg - SAE, Double End, Open End Wrenches
PROTOSAE, Double End, Open End Wrenches

PROTO Open End Wrench: Alloy Steel, Satin, 5/8 in_11/16 in Head Size, 8 1/4 in Overall Lg

The PROTO Open End Wrench (MPN J3034) is an SAE double-end open end wrench made of alloy steel with a satin finish. It features head sizes of 5/8 in and 11/16 in, with an overall length of 8 1/4 in.

SKU 3G-OTH-284800

Also listed as: J 3034 · J-3034

Brand
PROTO
Item
Open End Wrench: Alloy Steel, Satin, 5/8 in_11/16 in Head Size, 8 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
J3034
Type
Satin, 5/8 in_11/16 in Head Size, Std
Overall Lg
8 1/4 in

Technical Documents

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

Product Description

The PROTO Open End Wrench (MPN J3034) is an SAE double-end open end wrench made of alloy steel with a satin finish. It features head sizes of 5/8 in and 11/16 in, with an overall length of 8 1/4 in.

Frequently Asked Questions

What is the PROTO J3034 open end wrench used for?

The PROTO J3034 is a double-end open end wrench designed for tightening or loosening hex nuts and bolts in SAE sizes 5/8 in and 11/16 in. It is commonly used in automotive repair, industrial maintenance, and general mechanical work where access to fasteners is limited.

What are the specifications of the PROTO J3034 wrench?

The PROTO J3034 is an SAE double-end open end wrench made of alloy steel with a satin finish. It has head sizes of 5/8 in and 11/16 in, with an overall length of 8 1/4 in. The manufacturer part number is J3034, and it is a standard-length tool.

Where to buy the PROTO J3034 wrench worldwide?

You can source the PROTO J3034 open end 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 on this alloy steel satin-finish wrench.

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 the J3034, the 5/8 in and 11/16 in heads fit corresponding SAE nuts. Ensure the wrench length provides adequate torque for your application without over-tightening.

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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