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PROTO J1028A Double Box Wrench, 7/8 x 15/16 in, 12-Point, Chrome - SAE, Double End, 12-Point, Box End Wrenches
PROTOSAE, Double End, 12-Point, Box End Wrenches

PROTO J1028A Double Box Wrench, 7/8 x 15/16 in, 12-Point, Chrome

The PROTO Double Box Wrench is an SAE double-end, 12-point box end wrench made from alloy steel with a chrome finish. It features head sizes of 7/8 in and 15/16 in, with an overall length of 13 1/2 in (MPN J1028A).

SKU 3G-OTH-275359

Brand
PROTO
Item
J1028A Double Box Wrench, 7/8 x 15/16 in, 12-Point, Chrome
Category
SAE, Double End, 12-Point, Box End Wrenches
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PROTO
Manufacturer Part Number
J1028A
Type
Chrome, 7/8 in_15/16 in Head Size
Overall Lg
13 1/2 in

Technical Documents

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

Product Description

The PROTO Double Box Wrench is an SAE double-end, 12-point box end wrench made from alloy steel with a chrome finish. It features head sizes of 7/8 in and 15/16 in, with an overall length of 13 1/2 in (MPN J1028A).

Frequently Asked Questions

What is the PROTO Double Box Wrench used for?

The PROTO Double Box Wrench is used for tightening or loosening fasteners in industrial maintenance, automotive repair, and mechanical assembly. Its 12-point box ends grip hex nuts and bolts securely, making it suitable for high-torque applications where slip resistance is critical.

What are the specifications of the PROTO Double Box Wrench J1028A?

The PROTO J1028A is an SAE double-end, 12-point box wrench made from alloy steel with a chrome finish. It has head sizes of 7/8 in and 15/16 in, with an overall length of 13 1/2 in. The PROTO brand ensures durable construction for repeated industrial use.

Where to buy the PROTO Double Box Wrench worldwide?

You can source the PROTO Double Box Wrench J1028A 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 on this PROTO wrench.

How to select the right PROTO double box wrench size?

To select the correct PROTO double box wrench, match the wrench head size to your fastener's hex dimension. For the J1028A, the 7/8 in and 15/16 in ends fit corresponding SAE bolts. Ensure the 12-point design aligns with your torque requirements and access constraints in tight spaces.

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, 12-point, box 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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Cross-referenced by specification & description
PROTO Double Box Wrench: Alloy Steel, Chrome, 5/8 in_11/16 in Head Size, 10 1/2 in Overall Lg (MPN J1020A)
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PROTO Double Box Wrench: Alloy Steel, Chrome, 1/2 in_9/16 in Head Size, 8 3/4 in Overall Lg, Offset (MPN J8181-T500)
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PROTO Double Box Wrench: Alloy Steel, Chrome, 5/8 in_9/16 in Head Size, 12 1/2 in Overall Lg, Offset (MPN J111820L)
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