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PROTO Open End Wrench: Alloy Steel, Black Oxide, 1 3/8 in_1 7/16 in Head Size - SAE, Double End, Open End Wrenches
PROTOSAE, Double End, Open End Wrenches

PROTO Open End Wrench: Alloy Steel, Black Oxide, 1 3/8 in_1 7/16 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 3/8 in and 1 7/16 in, with an overall length of 15 7/8 in (MPN J3060B).

SKU 3G-OTH-284841

Brand
PROTO
Item
Open End Wrench: Alloy Steel, Black Oxide, 1 3/8 in_1 7/16 in Head Size
Category
SAE, Double End, Open End Wrenches
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Technical Specifications

PROTO
Manufacturer Part Number
J3060B
Type
Black Oxide, 1 3/8 in_1 7/16 in Head Size
Overall Lg
15 7/8 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 3/8 in and 1 7/16 in, with an overall length of 15 7/8 in (MPN J3060B).

Frequently Asked Questions

What is the PROTO J3060B open end wrench used for?

The PROTO J3060B is a double-end open end wrench used for tightening or loosening SAE hex fasteners. Its 1 3/8 in and 1 7/16 in head sizes suit heavy-duty industrial maintenance, assembly, and repair across machining, material handling, and power transmission applications.

What are the specifications of the PROTO J3060B wrench?

The PROTO J3060B is an SAE double-end open end wrench made from alloy steel with a black oxide finish. Head sizes are 1 3/8 in and 1 7/16 in, overall length is 15 7/8 in. It is not reversible. PROTO brand, MPN J3060B.

Where to buy the PROTO J3060B wrench worldwide?

3G Electric supplies the PROTO J3060B open end wrench worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this alloy steel, black oxide wrench with 1 3/8 in and 1 7/16 in heads.

How to select the right PROTO open end wrench size?

Select a PROTO open end wrench by matching the jaw opening to the fastener head size. For the J3060B, use the 1 3/8 in end on a 1 3/8 in hex nut and the 1 7/16 in end on a 1 7/16 in nut. Always verify SAE sizing and ensure the wrench fits snugly to avoid rounding.

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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