Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
PROTO Double Box Wrench: Alloy Steel, Chrome, 5/8 in_11/16 in Head Size - SAE, Double End, 12-Point, Box End Wrenches
PROTOSAE, Double End, 12-Point, Box End Wrenches

PROTO Double Box Wrench: Alloy Steel, Chrome, 5/8 in_11/16 in Head Size

The PROTO Double Box Wrench is an SAE, double-end, 12-point box end wrench made of alloy steel with a chrome finish. It features 5/8 in and 11/16 in head sizes and a 10 1/2 in overall length (MPN J1020A).

SKU 3G-OTH-275364

Brand
PROTO
Item
Double Box Wrench: Alloy Steel, Chrome, 5/8 in_11/16 in Head Size
Category
SAE, Double End, 12-Point, Box End Wrenches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

PROTO
Manufacturer Part Number
J1020A
Type
Chrome, 5/8 in_11/16 in Head Size
Overall Lg
10 1/2 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 of alloy steel with a chrome finish. It features 5/8 in and 11/16 in head sizes and a 10 1/2 in overall length (MPN J1020A).

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, assembly, and repair applications. Its 12-point, double-end design provides a secure grip on SAE hex nuts and bolts, making it suitable for machinery, automotive, and plant equipment work.

What are the specifications of the PROTO Double Box Wrench J1020A?

The PROTO Double Box Wrench J1020A is an SAE, double-end, 12-point box wrench made of alloy steel with a chrome finish. It has 5/8 in and 11/16 in head sizes and a 10 1/2 in overall length. The manufacturer part number is J1020A.

Where to buy the PROTO Double Box Wrench worldwide?

3G Electric supplies the PROTO Double Box Wrench J1020A to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this alloy steel, chrome-finished wrench.

How to select the right PROTO Double Box Wrench size?

To select the correct PROTO Double Box Wrench, match the head sizes (5/8 in and 11/16 in for model J1020A) to the fastener dimensions. Ensure the wrench type (SAE, 12-point) fits your application. For custom requirements, consult 3G Electric’s specialists who interpret your needs and source the right 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, 12-point, box end wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
PROTO Double Box Wrench: Alloy Steel, Chrome, 3/4 in_13/16 in Head Size, 12 1/4 in Overall Lg (MPN J1024A). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 3/4 in_13/16 in Head Size, 12 1/4 in Overall Lg (MPN J1024A). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO Double Box Wrench: Alloy Steel, Chrome, 7/8 in_15/16 in Head Size, 13 1/2 in Overall Lg (MPN J1028A). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 7/8 in_15/16 in Head Size, 13 1/2 in Overall Lg (MPN J1028A). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO Double Box Wrench: Alloy Steel, Chrome, 3/8 in_7/16 in Head Size, 7 3/4 in Overall Lg, Offset (MPN J1012A). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 3/8 in_7/16 in Head Size, 7 3/4 in Overall Lg, Offset (MPN J1012A). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO Double Box Wrench: Alloy Steel, Chrome, 1/4 in_5/16 in Head Size, 6 1/2 in Overall Lg, Offset (MPN J8179-T500). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 1/4 in_5/16 in Head Size, 6 1/2 in Overall Lg, Offset (MPN J8179-T500). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO Double Box Wrench: Alloy Steel, Chrome, 3/8 in_5/16 in Head Size, 9 in Overall Lg, Offset (MPN J111012L). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 3/8 in_5/16 in Head Size, 9 in Overall Lg, Offset (MPN J111012L). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO Double Box Wrench: Alloy Steel, Chrome, 1/2 in_7/16 in Head Size, 10 3/4 in Overall Lg, Offset (MPN J111416L). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 1/2 in_7/16 in Head Size, 10 3/4 in Overall Lg, Offset (MPN J111416L). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.

More from PROTO

View all PROTO parts →
PROTO Double Box Wrench: Alloy Steel, Chrome, 3/4 in_7/8 in Head Size, 11 1/2 in Overall Lg, Offset (MPN J8184-T500). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 3/4 in_7/8 in Head Size, 11 1/2 in Overall Lg, Offset (MPN J8184-T500). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
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). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO
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). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO Double Box Wrench: Alloy Steel, Chrome, 1 in_15/16 in Head Size, 14 in Overall Lg, Offset (MPN J8185-T500). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 1 in_15/16 in Head Size, 14 in Overall Lg, Offset (MPN J8185-T500). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO Double Box Wrench: Alloy Steel, Chrome, 5/8 in_9/16 in Head Size, 12 1/2 in Overall Lg, Offset (MPN J111820L). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 5/8 in_9/16 in Head Size, 12 1/2 in Overall Lg, Offset (MPN J111820L). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO Double Box Wrench: Alloy Steel, Chrome, 5/8 in_11/16 in Head Size, 9 3/4 in Overall Lg, Offset (MPN J8182-T500). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 5/8 in_11/16 in Head Size, 9 3/4 in Overall Lg, Offset (MPN J8182-T500). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO Double Box Wrench: Alloy Steel, Chrome, 1 in_7/8 in Head Size, 17 1/8 in Overall Lg, Offset (MPN J112832L). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 1 in_7/8 in Head Size, 17 1/8 in Overall Lg, Offset (MPN J112832L). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO Box End Wrench: Satin, 3/8 in_7/16 in Head Size, 4 1/2 in Overall Lg, Offset (MPN J1122). Key specifications — attr309427: Satin; attr309429: No; attr324926: PROTO.
PROTO
PROTO Box End Wrench: Satin, 3/8 in_7/16 in Head Size, 4 1/2 in Overall Lg, Offset (MPN J1122). Key specifications — attr309427: Satin; attr309429: No; attr324926: PROTO.
PROTO Double Box Wrench: Alloy Steel, Chrome, 3/4 in_11/16 in Head Size, 14 1/4 in Overall Lg (MPN J112224L). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 3/4 in_11/16 in Head Size, 14 1/4 in Overall Lg (MPN J112224L). Key specifications — attr309427: Chrome; attr309429: No; attr309426: Alloy Steel; attr324926: PROTO.