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PROTO Adjustable Wrench: Alloy Steel, Black Oxide, 12 1/8 in Overall Lg - General Purpose Adjustable Wrenches
PROTOGeneral Purpose Adjustable Wrenches

PROTO Adjustable Wrench: Alloy Steel, Black Oxide, 12 1/8 in Overall Lg

The PROTO J712SB is a general-purpose adjustable wrench made from alloy steel with a black oxide finish. It has an overall length of 12 1/8 inches and a jaw capacity of 1 19/32 inches.

SKU 3G-OTH-322140

Brand
PROTO
Item
Adjustable Wrench: Alloy Steel, Black Oxide, 12 1/8 in Overall Lg
Category
General Purpose Adjustable Wrenches
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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
J712SB
Type
Black Oxide
Overall Lg
12 1/8 in
Jaw Capacity
1 19/32 in

Technical Documents

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

Product Description

The PROTO J712SB is a general-purpose adjustable wrench made from alloy steel with a black oxide finish. It has an overall length of 12 1/8 inches and a jaw capacity of 1 19/32 inches.

Frequently Asked Questions

What is the PROTO J712SB adjustable wrench used for?

The PROTO J712SB is a general-purpose adjustable wrench used for tightening or loosening nuts and bolts in industrial maintenance, plumbing, and mechanical applications. Its alloy steel construction and black oxide finish provide durability and corrosion resistance in demanding environments.

What are the specifications of the PROTO J712SB adjustable wrench?

The PROTO J712SB adjustable wrench is made from alloy steel with a black oxide finish. It has an overall length of 12 1/8 inches and a jaw capacity of 1 19/32 inches. The manufacturer part number is J712SB.

Where to buy the PROTO J712SB adjustable wrench worldwide?

You can source the PROTO J712SB adjustable wrench through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the wrench reaches your facility reliably.

How to maintain the PROTO J712SB adjustable wrench?

To maintain the PROTO J712SB adjustable wrench, clean it after use with a dry cloth to remove debris and moisture. Apply light oil to the adjustment mechanism periodically to keep it moving smoothly. Store in a dry environment to preserve the black oxide finish.

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 general purpose adjustable wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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