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PROTO Combination Wrench: Alloy Steel, Black Oxide, 3 1/2 in Head Size, 37 in Overall Lg - SAE 12-Point Combination Wrenches
PROTOSAE 12-Point Combination Wrenches

PROTO Combination Wrench: Alloy Steel, Black Oxide, 3 1/2 in Head Size, 37 in Overall Lg

The PROTO J12112 is a 3-1/2 in SAE 12-point combination wrench made from alloy steel with a black oxide finish. It has a 37 in overall length and an offset design. This wrench is part of PROTO's industrial tool lineup.

SKU 3G-OTH-287491

Brand
PROTO
Item
Combination Wrench: Alloy Steel, Black Oxide, 3 1/2 in Head Size, 37 in Overall Lg
Category
SAE 12-Point Combination Wrenches
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Technical Specifications

PROTO
Manufacturer Part Number
J12112
Type
Black Oxide, Offset
Overall Lg
37 in
Head Size
3 1/2 in
View Full Spec Sheet

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

Product Description

The PROTO J12112 is a 3-1/2 in SAE 12-point combination wrench made from alloy steel with a black oxide finish. It has a 37 in overall length and an offset design. This wrench is part of PROTO's industrial tool lineup.

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 J12112 combination wrench used for?

The PROTO J12112 is an SAE 12-point combination wrench designed for heavy-duty industrial bolting applications. Its 3-1/2 in head size and 37 in overall length provide high torque for large fasteners, commonly used in plant maintenance, oil and gas, and heavy equipment repair.

What are the specifications of the PROTO J12112 wrench?

The PROTO J12112 is a 3-1/2 in SAE 12-point combination wrench made from alloy steel with a black oxide finish. It has a 37 in overall length and an offset design. The manufacturer part number is J12112, and it is part of PROTO's industrial tool lineup.

Where to buy the PROTO J12112 wrench worldwide?

3G Electric supplies the PROTO J12112 combination wrench to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this PROTO tool.

How to select the right PROTO combination wrench size?

To select the correct PROTO combination wrench, match the head size to your fastener's SAE hex dimension. The J12112 fits a 3-1/2 in bolt. For high-torque applications, consider the 37 in overall length for leverage. Always verify the fastener size and clearance before ordering.

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

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