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PROTO J3340 SAE Double End Open End Wrench - SAE, Double End, Open End Wrenches
PROTOSAE, Double End, Open End Wrenches

PROTO J3340 SAE Double End Open End Wrench

The PROTO J3340 is an SAE double-end open end wrench made from alloy steel with a satin finish. It features a 5/8-inch head size and a 5 3/4-inch overall length, with a standard design. This product is manufactured…

SKU 3G-OTH-284862

Also listed as: J 3340 · J-3340

Brand
PROTO
Item
J3340 SAE Double End Open End Wrench
Part Number
J3340
Category
SAE, Double End, Open End Wrenches
Available to Order
Also known as:J3340PROTO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J3340
Type
Satin, Std
Overall Lg
5 3/4 in
Head Size
5/8 in

Technical Documents

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

Product Description

The PROTO J3340 is an SAE double-end open end wrench made from alloy steel with a satin finish. It features a 5/8-inch head size and a 5 3/4-inch overall length, with a standard design. This product is manufactured by PROTO under part number J3340.

Frequently Asked Questions

What is the PROTO J3340 open end wrench used for?

The PROTO J3340 is a double-end open end wrench used for tightening or loosening SAE fasteners with a 5/8-inch head size. It is commonly applied in automotive repair, industrial maintenance, and mechanical assembly where a satin finish alloy steel tool provides durability and corrosion resistance.

What are the specifications of the PROTO J3340 wrench?

The PROTO J3340 is an SAE double-end open end wrench made from alloy steel with a satin finish. It has a 5/8-inch head size and a 5 3/4-inch overall length. The manufacturer part number is J3340, and it is designed for standard applications.

Where to buy the PROTO J3340 wrench worldwide?

You can source the PROTO J3340 wrench worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this PROTO tool.

How to select the right PROTO open end wrench size?

To select the correct PROTO open end wrench, match the head size to your fastener's SAE dimension. For the J3340, the 5/8-inch head fits 5/8-inch bolts or nuts. Ensure the overall length of 5 3/4 inches provides adequate leverage for your application without over-torquing.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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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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