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PROTO Open End Wrench: Alloy Steel, Black Oxide, 1 1/4 in_1 5/16 in Head Size - SAE, Double End, Open End Wrenches
PROTOSAE, Double End, Open End Wrenches

PROTO Open End Wrench: Alloy Steel, Black Oxide, 1 1/4 in_1 5/16 in Head Size

The PROTO Open End Wrench is an SAE double-end open end wrench made from alloy steel with a black oxide finish. It features head sizes of 1 1/4 in and 1 5/16 in, with an overall length of 14 5/8 in (MPN J3055B).

SKU 3G-OTH-284852

Brand
PROTO
Item
Open End Wrench: Alloy Steel, Black Oxide, 1 1/4 in_1 5/16 in Head Size
Category
SAE, Double End, Open End Wrenches
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Technical Specifications

PROTO
Manufacturer Part Number
J3055B
Type
Black Oxide, 1 1/4 in_1 5/16 in Head Size
Overall Lg
14 5/8 in
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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 from alloy steel with a black oxide finish. It features head sizes of 1 1/4 in and 1 5/16 in, with an overall length of 14 5/8 in (MPN J3055B).

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 Open End Wrench used for?

The PROTO Open End Wrench is used for tightening or loosening hex nuts and bolts in industrial maintenance, automotive repair, and mechanical assembly. Its SAE double-end design with 1 1/4 in and 1 5/16 in head sizes suits heavy-duty applications where corrosion resistance from the black oxide finish is needed.

What are the specifications of the PROTO Open End Wrench J3055B?

The PROTO Open End Wrench J3055B is an SAE double-end open end wrench made from alloy steel with a black oxide finish. It has head sizes of 1 1/4 in and 1 5/16 in, and an overall length of 14 5/8 in. The PROTO brand ensures durable construction for industrial use.

Where to buy the PROTO Open End Wrench worldwide?

You can source the PROTO Open End Wrench J3055B through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we supply this PROTO wrench to procurement teams internationally.

How to select the right PROTO Open End Wrench size?

To select the right PROTO Open End Wrench, match the head size to your fastener dimensions. This model offers 1 1/4 in and 1 5/16 in openings for SAE bolts. Ensure the overall length of 14 5/8 in provides adequate leverage. For other sizes, consult PROTO's range of alloy steel wrenches with 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 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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