PROTO Open End Wrench: Alloy Steel, Black Oxide, 1/2 in_9/16 in Head Size, 7 7/64 in Overall Lg
The PROTO J3026B is an SAE double-end open end wrench made from alloy steel with a black oxide finish. It features 1/2 in and 9/16 in head sizes and a 7 7/64 in overall length.
SKU 3G-OTH-284838
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Product Description
The PROTO J3026B is an SAE double-end open end wrench made from alloy steel with a black oxide finish. It features 1/2 in and 9/16 in head sizes and a 7 7/64 in overall length.
Frequently Asked Questions
What is the PROTO J3026B open end wrench used for?
The PROTO J3026B is a double-end open end wrench used for tightening or loosening hex fasteners in industrial maintenance, automotive repair, and mechanical assembly. Its SAE 1/2 in and 9/16 in head sizes suit standard U.S. fasteners. The alloy steel construction and black oxide finish provide durability and corrosion resistance.
What are the specifications of the PROTO J3026B wrench?
The PROTO J3026B is an SAE double-end open end wrench made from alloy steel with a black oxide finish. It has head sizes of 1/2 in and 9/16 in, and an overall length of 7 7/64 in. The manufacturer part number is J3026B. It is a standard (non-reversible) design.
Where to buy the PROTO J3026B wrench worldwide?
You can source the PROTO J3026B open end wrench through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. 3G Electric supplies PROTO tools to industrial customers internationally.
How to select the right PROTO open end wrench size?
To select the correct PROTO open end wrench, match the wrench head size to the fastener hex dimension. For the J3026B, use the 1/2 in end on 1/2 in fasteners and the 9/16 in end on 9/16 in fasteners. Ensure the wrench jaw fits snugly to avoid rounding fastener corners. Always use the correct SAE size for U.S. standard bolts.
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Common applications for PROTOPROTO 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.















