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PROTO J3755 SAE Double End 6-Point Flare Nut Wrench - SAE, Double End, Standard-Head, 6-Point Flare Nut Wrenches
PROTOSAE, Double End, Standard-Head, 6-Point Flare Nut Wrenches

PROTO J3755 SAE Double End 6-Point Flare Nut Wrench

The PROTO Flare Nut Wrench is an SAE, double end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features a 5/8 in head size and a 7 3/4 in overall length (MPN J3755).

SKU 3G-OTH-311106

Also listed as: J 3755 · J-3755

Brand
PROTO
Item
J3755 SAE Double End 6-Point Flare Nut Wrench
Category
SAE, Double End, Standard-Head, 6-Point Flare Nut 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
J3755
Type
Satin
Overall Lg
7 3/4 in
Head Size
5/8 in

Technical Documents

No technical documents available for this product.
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Flare Nut Wrench is an SAE, double end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features a 5/8 in head size and a 7 3/4 in overall length (MPN J3755).

Frequently Asked Questions

What is the PROTO Flare Nut Wrench used for?

The PROTO Flare Nut Wrench is designed for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings. Its 6-point, double-end configuration grips the nut securely without rounding, making it essential for automotive and industrial maintenance where line integrity is critical.

What are the specifications of the PROTO Flare Nut Wrench J3755?

The PROTO J3755 is an SAE, double-end, 6-point flare nut wrench made of alloy steel with a satin finish. It has a 5/8 in head size and a 7 3/4 in overall length. The alloy steel construction provides durability for repeated use in demanding environments.

Where to buy the PROTO Flare Nut Wrench worldwide?

You can source the PROTO Flare Nut Wrench J3755 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 item.

How to maintain a PROTO Flare Nut Wrench?

To maintain your PROTO Flare Nut Wrench, clean it after each use with a dry cloth to remove grease and debris. Store in a dry environment to prevent corrosion. Avoid using cheater bars or impact tools, as these can damage the satin finish or the 6-point head.

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, standard-head, 6-point flare nut 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 Flare Nut Wrench: Alloy Steel, Satin, 11/16 in Head Size, 8 3/4 in Overall Lg, Double End (MPN J3756)
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PROTO Flare Nut Wrench: Alloy Steel, Satin, 11/16 in Head Size, 8 3/4 in Overall Lg, Double End (MPN J3756)
This PROTO flare nut wrench is made of alloy steel with a satin finish. It has a 3/8 in head size and a 5 3/4 in overall length. The double-end, 12-point design provides a secure grip on flare nuts commonly found on brake lines, fuel lines, and hydraulic fittings
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This PROTO flare nut wrench is made of alloy steel with a satin finish. It has a 3/8 in head size and a 5 3/4 in overall length. The double-end, 12-point design provides a secure grip on flare nuts commonly found on brake lines, fuel lines, and hydraulic fittings
Alloy steel construction with satin finish. Double-end, standard-head design with 12-point openings for 3/8 in and 7/16 in SAE flare nuts. Overall length 6 1/4 in. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
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Alloy steel construction with satin finish. Double-end, standard-head design with 12-point openings for 3/8 in and 7/16 in SAE flare nuts. Overall length 6 1/4 in. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
This SAE double-end flare nut wrench features a 12-point design for use on 9/16 in flare nuts. Constructed from alloy steel with a satin finish, it has an overall length of 7 in. Commonly used for tightening or loosening flare nuts in hydraulic, automotive, and plumbing applications
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This SAE double-end flare nut wrench features a 12-point design for use on 9/16 in flare nuts. Constructed from alloy steel with a satin finish, it has an overall length of 7 in. Commonly used for tightening or loosening flare nuts in hydraulic, automotive, and plumbing applications

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Alloy steel flare nut wrench with satin finish. Double-end, standard-head, 6-point design fits 1/2 in flare nuts. Overall length 6-1/2 in. Used for tightening or loosening flare nuts on hydraulic, fuel, and refrigeration lines
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Alloy steel flare nut wrench with satin finish. Double-end, standard-head, 6-point design fits 1/2 in flare nuts. Overall length 6-1/2 in. Used for tightening or loosening flare nuts on hydraulic, fuel, and refrigeration lines
Alloy steel construction with satin finish. Double-end, standard-head design with 6-point openings for 3/8 in and 7/16 in SAE flare nuts. Overall length of 6 1/4 in. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
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Alloy steel construction with satin finish. Double-end, standard-head design with 6-point openings for 3/8 in and 7/16 in SAE flare nuts. Overall length of 6 1/4 in. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
This SAE double-end flare nut wrench features 1/2 in and 9/16 in head sizes with a 6-point design for secure grip on flare nuts. Made of alloy steel with a satin finish, it has a 7-1/2 in overall length. Typical applications include tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
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This SAE double-end flare nut wrench features 1/2 in and 9/16 in head sizes with a 6-point design for secure grip on flare nuts. Made of alloy steel with a satin finish, it has a 7-1/2 in overall length. Typical applications include tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
Double-end, standard-head, 6-point SAE flare nut wrench made from alloy steel with a satin finish. Head size is 3/4 in; overall length is 9 1/4 in. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings in automotive and industrial maintenance
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Double-end, standard-head, 6-point SAE flare nut wrench made from alloy steel with a satin finish. Head size is 3/4 in; overall length is 9 1/4 in. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings in automotive and industrial maintenance
This PROTO flare nut wrench is made from alloy steel with a satin finish. It features a 7/16 in head size and 6 in overall length, with a 6-point, double-end, standard-head SAE design. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
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This PROTO flare nut wrench is made from alloy steel with a satin finish. It features a 7/16 in head size and 6 in overall length, with a 6-point, double-end, standard-head SAE design. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
This PROTO flare nut wrench is a double-end, standard-head, 6-point design for SAE flare nuts. Made from alloy steel with a satin finish, it has a 9/16 in head size and 7 in overall length. Commonly used in automotive and industrial maintenance for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic systems
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This PROTO flare nut wrench is a double-end, standard-head, 6-point design for SAE flare nuts. Made from alloy steel with a satin finish, it has a 9/16 in head size and 7 in overall length. Commonly used in automotive and industrial maintenance for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic systems
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PROTO Flare Nut Wrench: Alloy Steel, Satin, 5/8 in_11/16 in Head Size, 8 3/4 in Overall Lg, SAE (MPN J3772)