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 Open End Wrench: Alloy Steel, Black Oxide, 3/4 in_11/16 in Head Size - SAE, Double End, Open End Wrenches
PROTOSAE, Double End, Open End Wrenches

PROTO Open End Wrench: Alloy Steel, Black Oxide, 3/4 in_11/16 in Head Size

The PROTO J3035B is an SAE double-end open end wrench made from alloy steel with a black oxide finish. It features head sizes of 3/4 in and 11/16 in, with an overall length of 8 63/64 in.

SKU 3G-OTH-284842

Brand
PROTO
Item
Open End Wrench: Alloy Steel, Black Oxide, 3/4 in_11/16 in Head Size
Category
SAE, Double End, Open 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
J3035B
Type
Black Oxide, 3/4 in_11/16 in Head Size
Overall Lg
8 63/64 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 J3035B is an SAE double-end open end wrench made from alloy steel with a black oxide finish. It features head sizes of 3/4 in and 11/16 in, with an overall length of 8 63/64 in.

Frequently Asked Questions

What is the PROTO J3035B open end wrench used for?

The PROTO J3035B is a double-end open end wrench used for tightening or loosening SAE hex fasteners. It is commonly applied in automotive repair, industrial maintenance, and mechanical assembly where access to nuts or bolts is limited. The black oxide finish provides corrosion resistance.

What are the specifications of the PROTO J3035B wrench?

The PROTO J3035B is an SAE double-end open end wrench made from alloy steel with a black oxide finish. It has head sizes of 3/4 in and 11/16 in, with an overall length of 8 63/64 in. The manufacturer part number is J3035B.

Where to buy the PROTO J3035B wrench worldwide?

You can source the PROTO J3035B 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.

How to select the correct PROTO open end wrench size?

To select the correct PROTO open end wrench, match the head size to the fastener's SAE hex dimension. The J3035B offers two sizes: 3/4 in and 11/16 in. Ensure the wrench opening fits snugly over the nut or bolt head to avoid rounding. PROTO alloy steel construction provides durability.

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.

You might also need

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

Similar products

Matched by specification & description
PROTO Open End Wrench: Alloy Steel, Black Oxide, 5/8 in_9/16 in Head Size, 7 47/64 in Overall Lg (MPN J3030B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Black Oxide, 5/8 in_9/16 in Head Size, 7 47/64 in Overall Lg (MPN J3030B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.
PROTO Open End Wrench: Alloy Steel, Black Oxide, 3/4 in_7/8 in Head Size, 9 39/64 in Overall Lg, Std (MPN J3039B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Black Oxide, 3/4 in_7/8 in Head Size, 9 39/64 in Overall Lg, Std (MPN J3039B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.
PROTO Open End Wrench: Alloy Steel, Black Oxide, 1/2 in_9/16 in Head Size, 7 7/64 in Overall Lg, Std (MPN J3026B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Black Oxide, 1/2 in_9/16 in Head Size, 7 7/64 in Overall Lg, Std (MPN J3026B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.
PROTO Open End Wrench: Alloy Steel, Black Oxide, 3/8 in_5/16 in Head Size, 5 1/4 in Overall Lg, Std (MPN J3020B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Black Oxide, 3/8 in_5/16 in Head Size, 5 1/4 in Overall Lg, Std (MPN J3020B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.
PROTO Open End Wrench: Alloy Steel, Black Oxide, 7/8 in_13/16 in Head Size, 10 15/64 in Overall Lg (MPN J3040B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Black Oxide, 7/8 in_13/16 in Head Size, 10 15/64 in Overall Lg (MPN J3040B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.
PROTO Open End Wrench: Alloy Steel, Black Oxide, 1 in_15/16 in Head Size, 11 31/64 in Overall Lg (MPN J3045B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Black Oxide, 1 in_15/16 in Head Size, 11 31/64 in Overall Lg (MPN J3045B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.

More from PROTO

View all PROTO parts →
PROTO Open End Wrench: Alloy Steel, Chrome, 1 3/8 in Head Size, 13 3/4 in Overall Lg, Std (MPN J3144). Key specifications — attr309776: No; attr309781: Chrome; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 1 3/8 in Head Size, 13 3/4 in Overall Lg, Std (MPN J3144). Key specifications — attr309776: No; attr309781: Chrome; attr309780: Alloy Steel; attr324939: PROTO.
PROTO Open End Wrench: Alloy Steel, Satin, 3/4 in_5/8 in Head Size, 8 9/16 in Overall Lg, Std (MPN J3031). Key specifications — attr309776: No; attr309781: Satin; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 3/4 in_5/8 in Head Size, 8 9/16 in Overall Lg, Std (MPN J3031). Key specifications — attr309776: No; attr309781: Satin; attr309780: Alloy Steel; attr324939: PROTO.
PROTO Open End Wrench: Alloy Steel, Chrome, 7/8 in Head Size, 8 in Overall Lg, Std (MPN J3128). Key specifications — attr309776: No; attr309781: Chrome; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 7/8 in Head Size, 8 in Overall Lg, Std (MPN J3128). Key specifications — attr309776: No; attr309781: Chrome; attr309780: Alloy Steel; attr324939: PROTO.
PROTO Open End Wrench: Alloy Steel, Satin, 13/64 in_15/64 in Head Size, 3 in Overall Lg, Std, SAE (MPN J3211). Key specifications — attr309776: No; attr309781: Satin; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 13/64 in_15/64 in Head Size, 3 in Overall Lg, Std, SAE (MPN J3211). Key specifications — attr309776: No; attr309781: Satin; attr309780: Alloy Steel; attr324939: PROTO.
PROTO Open End Wrench: Alloy Steel, Chrome, 1 1/2 in Head Size, 14 1/2 in Overall Lg, Std (MPN J3148). Key specifications — attr309776: No; attr309781: Chrome; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 1 1/2 in Head Size, 14 1/2 in Overall Lg, Std (MPN J3148). Key specifications — attr309776: No; attr309781: Chrome; attr309780: Alloy Steel; attr324939: PROTO.
PROTO Open End Wrench: Alloy Steel, Chrome, 2 in Head Size, 21 1/4 in Overall Lg, Std (MPN J3164). Key specifications — attr309776: No; attr309781: Chrome; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 2 in Head Size, 21 1/4 in Overall Lg, Std (MPN J3164). Key specifications — attr309776: No; attr309781: Chrome; attr309780: Alloy Steel; attr324939: PROTO.
PROTO Open End Wrench: Alloy Steel, Chrome, 1 1/4 in Head Size, 12 1/4 in Overall Lg, Std (MPN J3140). Key specifications — attr309776: No; attr309781: Chrome; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 1 1/4 in Head Size, 12 1/4 in Overall Lg, Std (MPN J3140). Key specifications — attr309776: No; attr309781: Chrome; attr309780: Alloy Steel; attr324939: PROTO.
PROTO Open End Wrench: Alloy Steel, Black Oxide, 1 3/8 in_1 7/16 in Head Size, 15 7/8 in Overall Lg (MPN J3060B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.
PROTO
PROTO Open End Wrench: Alloy Steel, Black Oxide, 1 3/8 in_1 7/16 in Head Size, 15 7/8 in Overall Lg (MPN J3060B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.