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PROTO Open End Wrench: Alloy Steel, Satin, 3/4 in_5/8 in Head Size, 8 9/16 in Overall Lg - SAE, Double End, Open End Wrenches
PROTOSAE, Double End, Open End Wrenches

PROTO Open End Wrench: Alloy Steel, Satin, 3/4 in_5/8 in Head Size, 8 9/16 in Overall Lg

The PROTO Open End Wrench is an SAE double-end open end wrench made of alloy steel with a satin finish. It features head sizes of 3/4 inch and 5/8 inch, with an overall length of 8 9/16 inches. This standard wrench…

SKU 3G-OTH-284855

Also listed as: J 3031 · J-3031

Brand
PROTO
Item
Open End Wrench: Alloy Steel, Satin, 3/4 in_5/8 in Head Size, 8 9/16 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
J3031
Type
Satin, 3/4 in_5/8 in Head Size, Std
Overall Lg
8 9/16 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 of alloy steel with a satin finish. It features head sizes of 3/4 inch and 5/8 inch, with an overall length of 8 9/16 inches. This standard wrench is manufactured under part number J3031.

Frequently Asked Questions

What is the PROTO J3031 open end wrench used for?

The PROTO J3031 is a double-end open end wrench for tightening or loosening hex fasteners. Its 3/4 in and 5/8 in SAE head sizes suit industrial maintenance, machining, and assembly tasks where alloy steel strength and a satin finish are required.

What are the specifications of the PROTO J3031 wrench?

The PROTO J3031 is an SAE double-end open end wrench made of alloy steel with a satin finish. Head sizes are 3/4 in and 5/8 in, overall length is 8 9/16 in. It is a standard (Std) type, not reversible or ratcheting.

Where to buy the PROTO J3031 wrench worldwide?

3G Electric supplies the PROTO J3031 open end wrench to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this alloy steel satin-finish wrench.

How to select the right PROTO open end wrench size?

Select a PROTO open end wrench by matching the jaw opening to your fastener head size. For the J3031, use the 3/4 in end on 3/4 in hex bolts and the 5/8 in end on 5/8 in hex bolts. Ensure the wrench length provides adequate leverage for the torque required.

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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