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PROTO Open End Wrench: Alloy Steel, Black Oxide, 3/4 in_7/8 in Head Size, 9 39/64 in Overall Lg - SAE, Double End, Open End Wrenches
PROTOSAE, Double End, Open End Wrenches

PROTO Open End Wrench: Alloy Steel, Black Oxide, 3/4 in_7/8 in Head Size, 9 39/64 in Overall Lg

The PROTO J3039B is an SAE double-end open end wrench made from alloy steel with a black oxide finish. It features 3/4 in and 7/8 in head sizes and a 9 39/64 in overall length. This standard wrench is designed for…

SKU 3G-OTH-284849

Brand
PROTO
Item
Open End Wrench: Alloy Steel, Black Oxide, 3/4 in_7/8 in Head Size, 9 39/64 in Overall Lg
Category
SAE, Double End, Open End Wrenches
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Technical Specifications

PROTO
Manufacturer Part Number
J3039B
Type
Black Oxide, 3/4 in_7/8 in Head Size, Std
Overall Lg
9 39/64 in
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO J3039B is an SAE double-end open end wrench made from alloy steel with a black oxide finish. It features 3/4 in and 7/8 in head sizes and a 9 39/64 in overall length. This standard wrench is designed for industrial applications requiring a durable, corrosion-resistant hand tool.

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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