We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

PROTO Flare Nut Wrench: Alloy Steel, Satin, 3/4 in_7/8 in Head Size - SAE, Double End, Standard-Head, 6-Point Flare Nut Wrenches
PROTOSAE, Double End, Standard-Head, 6-Point Flare Nut Wrenches

PROTO Flare Nut Wrench: Alloy Steel, Satin, 3/4 in_7/8 in Head Size

The PROTO J3776H is a double-end, standard-head, 6-point SAE flare nut wrench made from alloy steel with a satin finish. It features 3/4 in and 7/8 in head sizes and a 9 1/2 in overall length.

SKU 3G-OTH-311104

Brand
PROTO
Item
Flare Nut Wrench: Alloy Steel, Satin, 3/4 in_7/8 in Head Size
Category
SAE, Double End, Standard-Head, 6-Point Flare Nut Wrenches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

PROTO
Manufacturer Part Number
J3776H
Type
Satin, 3/4 in_7/8 in Head Size
Overall Lg
9 1/2 in

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 J3776H is a double-end, standard-head, 6-point SAE flare nut wrench made from alloy steel with a satin finish. It features 3/4 in and 7/8 in head sizes and a 9 1/2 in overall length.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the PROTO J3776H flare nut wrench used for?

The PROTO J3776H is a double-end, 6-point SAE flare nut wrench designed for tightening or loosening flare nuts on hydraulic, fuel, and refrigeration lines. Its 3/4 in and 7/8 in head sizes and 9 1/2 in overall length provide leverage and access in tight spaces.

What are the specifications of the PROTO J3776H flare nut wrench?

The PROTO J3776H is a double-end, standard-head, 6-point SAE flare nut wrench made from alloy steel with a satin finish. It has head sizes of 3/4 in and 7/8 in, and an overall length of 9 1/2 in. The manufacturer part number is J3776H.

Where to buy the PROTO J3776H flare nut wrench worldwide?

3G Electric supplies the PROTO J3776H flare nut wrench worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this PROTO wrench for your maintenance or production needs.

How to select the right flare nut wrench size?

To select the right flare nut wrench, match the wrench head size to the nut's hex dimension. For the PROTO J3776H, use the 3/4 in end for 3/4 in nuts and the 7/8 in end for 7/8 in nuts. Ensure the 6-point design fully engages the nut to prevent rounding.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
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
PROTO
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
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
PROTO
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
This double-end flare nut wrench features a 12-point, standard-head design for use on SAE flare nuts. Constructed from alloy steel with a satin finish, it has a 3/4 in head size and 9 1/4 in overall length. Commonly used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines
PROTO
This double-end flare nut wrench features a 12-point, standard-head design for use on SAE flare nuts. Constructed from alloy steel with a satin finish, it has a 3/4 in head size and 9 1/4 in overall length. Commonly used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines
Alloy steel flare nut wrench with satin finish. Double-end, standard-head, 12-point design for 5/8 in and 11/16 in SAE fasteners. Overall length 8-3/4 in. Used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines
PROTO
Alloy steel flare nut wrench with satin finish. Double-end, standard-head, 12-point design for 5/8 in and 11/16 in SAE fasteners. Overall length 8-3/4 in. Used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines
Alloy steel double-end flare nut wrench with satin finish. 12-point, standard-head design for 5/8 in SAE fasteners. Overall length 7 3/4 in. Used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines
PROTO
Alloy steel double-end flare nut wrench with satin finish. 12-point, standard-head design for 5/8 in SAE fasteners. Overall length 7 3/4 in. Used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines
PROTO Flare Nut Wrench: Alloy Steel, Satin, 3/8 in_7/16 in Head Size, 6 1/4 in Overall Lg, SAE (MPN J3764T)
PROTO
PROTO Flare Nut Wrench: Alloy Steel, Satin, 3/8 in_7/16 in Head Size, 6 1/4 in Overall Lg, SAE (MPN J3764T)

More from PROTO

View all PROTO parts
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
PROTO
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
PROTO
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
Alloy steel construction with satin finish. Double-end, standard-head, 6-point design for use on flare nuts in brake, fuel, and hydraulic line applications. Head size 3/8 in, overall length 5 3/4 in
PROTO
Alloy steel construction with satin finish. Double-end, standard-head, 6-point design for use on flare nuts in brake, fuel, and hydraulic line applications. Head size 3/8 in, overall length 5 3/4 in
PROTO Flare Nut Wrench: Alloy Steel, Satin, 5/8 in_11/16 in Head Size, 8 3/4 in Overall Lg, SAE (MPN J3772)
PROTO
PROTO Flare Nut Wrench: Alloy Steel, Satin, 5/8 in_11/16 in Head Size, 8 3/4 in Overall Lg, SAE (MPN J3772)
PROTO Flare Nut Wrench: Alloy Steel, Satin, 11/16 in Head Size, 8 3/4 in Overall Lg, Double End (MPN J3756)
PROTO
PROTO Flare Nut Wrench: Alloy Steel, Satin, 11/16 in Head Size, 8 3/4 in Overall Lg, Double End (MPN J3756)
PROTO Flare Nut Wrench: Alloy Steel, Satin, 1/2 in Head Size, 6 1/2 in Overall Lg, 6-Point Flare Nut (MPN J3753)
PROTO
PROTO Flare Nut Wrench: Alloy Steel, Satin, 1/2 in Head Size, 6 1/2 in Overall Lg, 6-Point Flare Nut (MPN J3753)
PROTO Flare Nut Wrench: Alloy Steel, Satin, 5/8 in Head Size, 7 3/4 in Overall Lg (MPN J3755)
PROTO
PROTO Flare Nut Wrench: Alloy Steel, Satin, 5/8 in Head Size, 7 3/4 in Overall Lg (MPN J3755)
PROTO Flare Nut Wrench: Alloy Steel, Satin, 3/8 in_7/16 in Head Size, 6 1/4 in Overall Lg, SAE (MPN J3764)
PROTO
PROTO Flare Nut Wrench: Alloy Steel, Satin, 3/8 in_7/16 in Head Size, 6 1/4 in Overall Lg, SAE (MPN J3764)