Best Mechanical Flat Springs of 2026

Brian Howie Avatar
Brian Howie
Last Updated: Jan 8, 2026

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Mechanical flat springs are versatile and reliable components used in a wide range of applications. These flat springs are made from high-quality materials and designed to provide consistent force or tension when compressed or extended. With their compact design, mechanical flat springs are ideal for use in various industries, including automotive, aerospace, electronics, and more. They are commonly employed in mechanisms such as switches, connectors, and clamps, ensuring efficient and precise operation. Whether it's for small-scale projects or heavy-duty machinery, mechanical flat springs offer durability and performance for a multitude of applications.

At a Glance: Our Top Picks

Remington Industries 6061 Aluminum Flat Bar 0.5x0.5x10 Cover #TOP 1
Remington Industries 6061 Aluminum Flat Bar 0.5x0.5x10
ftb score rating icon 9.8
RIDGID 42555 Spring Ring Cover #TOP 2
RIDGID 42555 Spring Ring
ftb score rating icon 9.7
Remington Industries 6061 T6511 Aluminum Flat Bar 6" x 1/2" Cover #TOP 3
Remington Industries 6061 T6511 Aluminum Flat Bar 6" x 1/2"
ftb score rating icon 9.5

Top 10 Mechanical Flat Springs

#TOP 1

Remington Industries 6061 Aluminum Flat Bar 0.5x0.5x10

0.50SQR6061T6511-10
Remington Industries 6061 Aluminum Flat Bar 0.5x0.5x10 Cover
Remington Industries 0.50SQR6061T6511-10 1/2" x 1/2" Aluminum Flat Bar, 6061 General Purpose Plate, 10 Inch Length, T6511 Mill Stock, Extruded, 0.50" Diameter

The Remington 6061 Aluminum Bar offers a 10-inch length, providing you with enough material for various projects. Its half-inch thickness makes it sturdy and reliable for general use, ensuring durability. Made from 6061 aluminum, this bar is versatile and suitable for many applications, from mechanical parts to DIY projects. The T6511 temper means the metal is strong and has been treated for improved performance, allowing you to weld or machine it easily. This makes the bar convenient for custom fabrication, repairs, or construction tasks where you need a dependable aluminum piece.

What We Like
10-inch length
0.5-inch thickness
6061 aluminum material
T6511 temper strength
Easy to weld and machine
#TOP 2

RIDGID 42555 Spring Ring

42555
RIDGID 42555 Spring Ring Cover
Ridgid 42555 Spring Ring

The RIDGID Spring Ring 42555 is a reliable mechanical flat spring designed to meet your needs with quality and precision. Proudly made in the United States, this product assures you of its durable craftsmanship. Its compact packaging, measuring 6 inches in length and width but only 0.1 inches in height, makes it easy to store and handle without taking up much space. This convenient size allows you to keep it handy for quick use or replacement, making your tasks smoother and more efficient.

What We Like
Made in the USA
Compact packaging size
Durable mechanical spring
#TOP 3

Remington Industries 6061 T6511 Aluminum Flat Bar 6" x 1/2"

0.50X1.0FLT6061T6511-6
Remington Industries 6061 T6511 Aluminum Flat Bar 6" x 1/2" Cover
Remington Industries 0.50X1.0FLT6061T6511-6 1/2" x 1" Aluminum Flat Bar, 6061 General Purpose Plate, 6 Inch Length, T6511 Mill Stock, Extruded, 0.50" Diameter

The Remington 6061 Aluminum Bar offers a 6-inch length, making it easy to handle and ideal for small to medium projects. Its half-inch thickness provides a sturdy and reliable material thickness, perfect for durable applications. Made from 6061 general-purpose aluminum, this bar is versatile and suitable for a wide range of tasks, giving you flexibility in use. The T6511 temper ensures the aluminum is strong yet easy to weld or machine, so you can customize it to fit your specific needs without hassle. This bar is a practical choice for anyone needing a reliable aluminum flat bar for mechanical or fabrication work.

What We Like
6-inch manageable length
Sturdy 1/2-inch thickness
Versatile 6061 aluminum
T6511 temper strength
Easy to weld and machine
#TOP 4

Remington 6061 T6511 Aluminum Flat Bar 3/8"x2"

0.375X2.0FLT6061T6511-2
Remington 6061 T6511 Aluminum Flat Bar 3/8"x2" Cover
Remington Industries 0.375X2.0FLT6061T6511-2 3/8" x 2" Aluminum Flat Bar, 6061 General Purpose Plate, 2 Inch Length, T6511 Mill Stock, Extruded, 0.375" Diameter

The Remington Aluminum Flat Bar is made from 6061-grade aluminum, known for its reliability and versatility. With a thickness of 3/8 inch, it offers a sturdy build that can support various mechanical tasks. Its 2-inch length makes it easy to handle and fit into different projects without extra cutting. The T6511 temper ensures the aluminum is strong yet still easy to weld or machine, giving you flexibility to shape or assemble it as you need. Whether you’re working on repairs or custom builds, this flat bar provides a durable and convenient solution.

What We Like
Durable 6061 aluminum
Strong 3/8 inch thickness
Compact 2-inch length
Easy to weld and machine
#TOP 5

DUROCK 62g Gold Plated Mechanical Keyboard Springs

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Gold
DUROCK 62g Gold Plated Mechanical Keyboard Springs Cover
DUROCK Gold Plated Springs 62g 2-Stage Long Spring Custom Mechanical Keyboard Switch Springs Compatible with Cherry MX and Variant Mechanical Switches (62g 2-Stage Spring, 110pcs/pack)

The DUROCK 62g Gold Springs offer a reliable upgrade for your mechanical keyboard switches. These springs are crafted from high-quality stainless steel and coated with real gold, making them both visually appealing and resistant to oxidation, so they stay looking good over time. Designed to be compatible with Cherry MX and similar switches, they provide a consistent 62g bottom out force, enhancing your typing experience with a balanced and responsive feel. With these springs, you get durability, style, and improved performance for your keyboard setup.

What We Like
Gold plating for oxidation resistance
High-quality stainless steel material
Compatible with Cherry MX switches
Consistent 62g bottom out force
Pack of 110 springs
#TOP 6

Lewmar Barient 209 Pawl Spring

BT00209
Multi
Lewmar Barient 209 Pawl Spring Cover
Lewmar BT00209 Barient Pawl Spring

The Lewmar Pawl Spring is designed to enhance your winching experience. With its long straight leg, this spring effectively secures the winch drum on the center stem, ensuring stability during operation. Made from composite plastic, it offers durability while remaining lightweight. This combination of features makes it a reliable choice for those who need efficient and dependable performance from their winch. You will appreciate the convenience it brings by providing consistent tension and support when you need it most.

What We Like
Durable composite material
Stabilizes winch drum
Lightweight design
Efficient performance
#TOP 7

DUROCK Gold Plated 67g Long Springs for Mechanical Keyboards

Eaasok
Gold
DUROCK Gold Plated 67g Long Springs for Mechanical Keyboards Cover
DUROCK Gold Plated 2-Stage Long Springs - 67g Custom Mechanical Keyboard Switch Springs - Compatible with Cherry MX and Variant Switches (110pcs/pack)

The DUROCK 67g Gold Springs are designed to enhance your mechanical keyboard experience. Crafted from high-quality imported stainless steel, these springs resist oxidation and maintain a sleek appearance over time. The gold plating not only adds a premium look but also improves durability. Compatible with Cherry MX and similar switches, these springs offer a firm 67g bottom-out force, providing consistent and satisfying key presses. Whether you’re customizing your keyboard or replacing old springs, the DUROCK 67g Gold Springs deliver reliable performance and an upgraded feel for your typing sessions.

What We Like
Durable stainless steel material
Attractive gold plating
Compatible with Cherry MX switches
Consistent 67g force rating
#TOP 8

Remington 6061 T6511 Aluminum Flat Bar 3/8"x2"

0.375X3.0Flt6061T6511-2
Remington 6061 T6511 Aluminum Flat Bar 3/8"x2" Cover
Remington Industries 0.375X3.0Flt6061T6511-2 3/8" x 3" Aluminum Flat Bar, 6061 General Purpose Plate, 2 Inch Length, T6511 Mill Stock, Extruded, 0.375" Diameter

The Remington Aluminum Flat Bar is a versatile piece of metal ideal for many projects. Measuring 2 inches long with a thickness of 3/8 inch, it offers a manageable size for detailed work or small builds. Made from 6061 general-purpose aluminum, this bar provides a great balance of strength and lightweight convenience, making it easy for you to handle and use. The T6511 tempering means the bar is treated for extra durability and stability, ensuring it performs well under stress. Whether you need a sturdy material for welding or machining, this flat bar is designed to meet those needs with ease and reliability.

What We Like
Compact size
Strong aluminum material
Durable T6511 temper
Easy to weld and machine
#TOP 9

DUROCK Gold Plated 56g Long Springs for Mechanical Keyboards

Eaasok
Gold
DUROCK Gold Plated 56g Long Springs for Mechanical Keyboards Cover
DUROCK Gold Plated 3-Stage Long Springs - 56g Custom Mechanical Keyboard Switch Springs - Compatible with Cherry MX and Variant Switches (110pcs/pack)

The DUROCK 56g Gold Springs are designed to enhance your mechanical keyboard experience. Made from high-quality imported stainless steel, these springs are durable and resistant to corrosion, ensuring they look great and last long. The gold plating not only adds a stylish shine but also helps prevent oxidation, keeping the springs reliable over time. With a 56g bottom-out force rating, these springs provide a balanced and satisfying typing feel. Plus, they are compatible with both Cherry MX and similar clones, making them a versatile upgrade for many mechanical keyboards.

What We Like
Durable stainless steel material
Gold plating for oxidation resistance
Compatible with Cherry MX switches
56g balanced spring weight
Large 110-piece pack
#TOP 10

Remington 6061 T6511 Aluminum Flat Bar 0.5x3

0.50X3.0FLT6061T6511-4
Remington 6061 T6511 Aluminum Flat Bar 0.5x3 Cover
Remington Industries 0.50X3.0FLT6061T6511-4 1/2" x 3" Aluminum Flat Bar, 6061 General Purpose, 4 Inch Length, T6511 Mill Stock, Extruded, 0.50" Diameter

The Remington Aluminum Flat Bar offers a compact 4-inch length, making it ideal for small projects where space is limited. Its half-inch thickness provides sturdy support, perfect for tasks that require durability and strength. Made from 6061 general-purpose aluminum, this flat bar is lightweight yet reliable, giving you the flexibility to use it in various mechanical applications. Additionally, the T6511 temper ensures the metal is both strong and easy to work with, allowing you to weld or machine it effortlessly for custom adjustments. This makes the Remington Aluminum Flat Bar a practical choice for your mechanical needs.

What We Like
Compact 4-inch length
Durable half-inch thickness
Lightweight 6061 aluminum
Strong T6511 temper
Easy to weld and machine
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is the purpose of a flat spring?

Flat springs are used in various applications where space is limited or as part of a mounting assembly. They are made of flat strip steel and can be designed with specific features for unique applications and mounting locations. Their flat design allows for efficient use of space in compact systems where size constraints are critical.

2. What is the best material for a flat spring?

The most commonly used materials for flat springs are carbon steel and stainless steel. These materials provide the necessary strength and durability required for mechanical applications.

3. What are the advantages of flat springs?

Flat springs offer several advantages over traditional coiled-wire springs. They save space due to their smaller and more compact design. This makes them suitable for applications with limited space or where size constraints are critical.

4. What are the benefits of flat wire springs?

Flat wire springs, particularly flat wire compression springs, have several advantages over round wire compression springs. They have a lower height, increased stability, improved fatigue life, and increased load capacity. They find applications in various industries, including aerospace, automotive, medical, and industrial.

5. What are the different types of flat coil springs?

There are several types of flat coil springs: - Mono-leaf springs consist of a single tapered steel plate. - Multi-leaf springs consist of stacked metal plates of diminishing lengths. - Parabolic springs consist of stacked layers of tapered leaves.

6. What is the best stainless steel for flat springs?

AISI 302/304 stainless steel is commonly used for flat springs. It offers good tensile strength, high corrosion resistance, good heat resistance, and slight magnetic properties. It maintains its strength at temperatures up to 550 degrees F.

Editor's Notes

During our mechanical flat spring research, we found 24 mechanical flat spring products and shortlisted 10 quality products. We collected and analyzed 4,030 customer reviews through our big data system to write the mechanical flat springs list. We found that most customers choose mechanical flat springs with an average price of $11.86.

The mechanical flat springs are available for purchase. We have researched hundreds of brands and picked the top brands of mechanical flat springs, including Remington Industries, RIDGID, DUROCK, Lewmar. The seller of top 1 product has received honest feedback from 113 consumers with an average rating of 4.8.

Written by
Brian Howie Avatar

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.