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Kathysia industrial Co., Ltd was reorganized from Zhengzhou spring factory, which founded in 1957, having more than 60 years of professional experience in this field. Kathysia is a designated spring products supplier by the Chinese ministry of machinery industry, and a member of China spring association.

We Supply all kinds of Springs for all applications, If you can’t find a stock spring for your application, or would like to match a competitor’s spring not offered through this website, Our engineering staff is ready to answer your questions or assist in designing the right spring for your application.

Contact Kathysia Industrial for Your Custom Springs

For better quotations, Please include a self introduction and your special requests(if any)

Extension Springs - Springs - Grainger Industrial Supply

Extension springs from Grainger offer a large selection to help you find the extension spring tension and end type you need. While certain models can make for perfect garage door springs, others are ideal for applications including farm machinery and washing devices.

Heavy Duty Extension Springs - Diamond Wire Spring Company

Extension springs are typically installed with an initial tension that stretches the spring until the coils are close to separating. After the initial tension has been applied, the extension spring deflects only if it receives a load greater than the initial tension. Extension springs have hooks on their ends to attached them to the application.

Amazon.com: Extension - Springs: Industrial & Scientific

Online shopping for Extension - Springs from a great selection at Industrial & Scientific Store. Online shopping for Extension - Springs from a great selection at Industrial & Scientific Store. 2Pcs Zinc Plated Steel Wire Extension Spring 20 Inch. by Miular. $7.99 $ 7. 99. FREE Shipping on eligible orders. 4.4 out of 5 stars 10.

Extension Springs On Murphy & Read Spring Mfg. Co., Inc.

27 rows  Extension Springs are organized in order of increasing diameter and wire size. Note that in

Extension Springs - Carbon & Stainless Steel Extension

Extension Spring Measurements. Hold the spring in one hand, and the calipers in the other hand. Place the calipers across the outside coil, either at the end or the center of the spring. This is called the Outside Diameter (O.D.). Place the calipers on the wire at one end of the body coil of the spring. This is called the Wire or Material Size.

Extension Springs - MSC Industrial Supply

Find Extension Springs at MSC Industrial Supply, serving the metalworking, safety, and MRO industries for over 75 years

Extension Springs - Standard Extension Springs - Custom

Extension springs supply a force by extending or pulling on them. Typically they are cylindrical helical springs made out round wire and have either machine loops or cross center loops. However they can be made conical, oval, barrel or virtually any other shape.

Standard Spring Wire Diameter Sizes - The Spring Store

Definition: Chart or table which shows the stock wire diameter sizes as well as the material type and other factors such as tensile strength.Great for picking what material type will do the job. Selecting a wire diameter for a spring as well as what material type that wire will be made of is no easy task. When designing a spring not only are you looking for it to fit your device but you’re

Stock Extension Springs - The Spring Store

Stock Extension Springs Definition: Helical coils wound together one on top of the other without pitch in between to conserve energy and eject a force once a load is applied on the stock extension spring. Once a load is applied, the stock extension spring will be pulled to an extended length.

Stock and Custom Springs - W.B. Jones Spring Company

W.B. Jones Spring is your source for stock and custom springs, including compression springs, extension springs, torsion springs, die springs, and wire www.tvimpermeabilizzazioni.it also offer a selection of spring assortments. Our extensive line of stock springs means we can deliver the springs you need fast, with stock orders generally shipping in one day.

Heavy Duty Extension Springs - Diamond Wire Spring Company

Helical extension springs do not normally have set removed. Furthermore, unlike compression springs, extension springs do not have a solid stop to prevent overloading. For these reasons, design stresses are generally lower for extension than compression springs. A special type of extension spring, known as a drawbar spring, has a solid stop. It

Music Wire Extension Springs - Springs - Grainger

Extension springs from Grainger offer a large selection to help you find the extension spring tension and end type you need. While certain models can make for perfect garage door springs, others are ideal for applications including farm machinery and washing devices.

Wire Extension Springs - www.tvimpermeabilizzazioni.it

Made in USA 80 Piece, Galvanized Hard Drawn Wire Extension Spring Assortment - 20 Sizes, 1/8 to 5/8"

Extension Springs - Custom Extension Spring Manufacturer

Custom Extension Springs. General Wire Spring is an extension spring manufacturer specializing in custom extension springs and custom extension spring ends which include machine loop and crossover loop ends, among other options to accommodate different tensions. Extension springs absorb and store energy by offering resistance to a pulling force.

Amazon.com: Forney 72597 Wire Spring Extension (10-339), 1

The Forney 72597 1-1/4-Inch X 10-Inch X .148-Inch Wire Spring Extension is a zinc-plated steel wire extension spring. Baked for a rust resistant finish and heat treated for performance and longevity. Ideal for a wide variety of uses in homes, the shop, on the farm or ranch, small businesses or light industry such as screen doors, chaise lounges

Extension Springs, Tension Springs - Newcomb Spring

As a custom extension spring manufacturer, Newcomb Spring can produce a wide variety of extension spring (tension spring) shapes, sizes and designs. Using material sizes from .007 to .625 inches in wire diameter, all Newcomb extension springs are precision manufactured to

Extension Springs - Associated Spring Raymond

Extension springs are attached to two components from both ends of the spring, and when the components pull apart, the spring tries to pull the components together again. Extension Springs are wound to oppose extension. Dependant on the application's load requirements, t he springs initial tension can be manipulated. They are often tightly wound in the no-load position and have hooks, eyes, or

Extension Springs, Compression Springs, Hyde Spring & Wire

Hyde Spring & Wire Co. Manufacturer of Quality Springs We have a wide variety of in-stock extension, compression, die spring, & garage door springs and custom springs made to your specification We also do custom wire forms! [email protected] Toll Free: 877.272.2205 Local: (313) 272-2204 14341 Schaefer Hwy Detroit, MI 48227

Diamond Wire - Custom & Stock Spring Manufacturer

Extension springs are typically installed with an initial tension that stretches the spring until the coils are close to separating. After the initial tension has been applied, the extension spring deflects only if it receives a load greater than the initial tension. Extension springs have hooks on their ends to attached them to the application.

Extension Springs - W.B. Jones Spring Company

Developed to absorb and hold energy, extension springs also supply resistance to a pulling force. The required tension determines how tightly an extension spring must be coiled. This initial tension can be adjusted to meet the load requirements of a given application.

Amazon.com: Stainless Steel - Extension / Springs

Music Wire Extension Spring, Steel, Inch, 0.18" OD, 0.02" Wire Size, 0.75" Free Length, 1.46" Extended Length, 2.08 lbs Load Capacity, 2.7 lbs/in Spring Rate (Pack of 10) 4.2 out of 5 stars 3 Misc.

Custom Spring Manufacturing - Wire Forms, Torsion Springs

Our full line of online springs ranges from compression springs, extension springs, torsion springs, wire forms and other custom springs. Our extensive line of springs means we can deliver the springs you need quickly, and if you don’t see what you need we can manufacture custom springs to

Extension Spring for sale - eBay

Get the best deals on Extension Spring when you shop the largest online selection at www.tvimpermeabilizzazioni.it. Free shipping on many items SMALL VERY STRONG EXTENSION SPRINGS WITH HOOKED ENDS .038 WIRE-1-3/8 LONG. $6.99. Brand: Unbranded. Free shipping. Watch. 100 ea .083" OD x .006" Wire Dia x .722" Long - Extension Springs. $15.95.

Extension Springs - McMaster-Carr

Choose from our selection of extension springs, corrosion-resistant extension springs, and more. In stock and ready to ship. Extension Springs Extension Spring Assortments Extension Springs with Loop Ends Made-to-Order Extension Springs Piano Wire Extension Springs Precision Extension Springs Stainless Steel Extension Springs Steel

Extension Springs - Custom Extension Spring Manufacturer

General Wire Spring is an extension spring manufacturer specializing in custom extension springs and custom extension spring ends which include machine loop and crossover loop ends, among other options to accommodate different tensions. Extension springs absorb and store energy by

Extension Springs - Custom Tolerance Springs - Ace

Extension springs is a wire spring that reacts to forces pulling the ends apart and physically extending in shape, trying to offer resistance and return to its close coiled shape. Extension springs are designed to absorb and store energy as well as create a resistance to a pulling force.

Extension Spring - Music Wire - Monroe

Extension Springs are wound to oppose extension. Dependant on the application's load requirements, the springs initial tension can be manipulated. They are often tightly wound in the no-load position and have hooks, eyes, or spring anchors at the ends to attach to the components.

Wire Length of Extension Spring Calculator

Wire Length of Extension Spring Calculator. Extension Spring is also referred as tension spring, where the helical wound coils are wrapped together tightly to create tension. The spring has hooks or loops, attached at both ends to hold the other components. When the components moves apart in opposite direction, spring push them back together.

Continuous Length Extension Springs - Learn About - Lee Spring

Continuous Length Extension Springs are designed to be cut to a desired length by the user to meet a particular load requirement. Various loops or hooks can be formed on the ends using looping pliers or other appropriate instruments; as wire size increases, use different tools including a vise to hold the coil body and a pry bar to bend up the last coil.

Extension Springs - Stock Extension Springs - Springmasters

Extension springs require special ends to permit application of the load and these ends assume many forms. Manufacture and stockist We manufacture and stock extension springs, see the below categories and choose from the different wire diameter sizes available.

Custom Spring Manufacturer - Compression, Extension

Since 1930, thousands of customers have trusted us with all of their custom compression springs, torsion springs, extension springs and wire form needs. General Wire Spring Company custom designs and manufactures springs from a vast selection of materials. We can get heavy duty spring quotations back to you promptly – offering recommendations on how to reduce costs, improve performance and

Extension Spring Calculations - Quality Spring, Affordable

Definition of Extension Spring Calculations: The process of calculating the shear modulus of a spring wire, young's modulus of spring wire, poission's ratio for spring wire along with a springs wire diameter, mean diameter and number of active coils to obtain an extension spring calculation.

Spring Team, Inc. - Premier manufacturer of Compression

An extension spring offers resistance to a pulling force. Many different end configurations or "hooks" are used to secure the spring to the source of the pulling force. Extension springs in wire sizes from .020” to .162” with traditional or exotic hook, loop and leg configurations.

Hardware Products - Custom compression springs, Extension

WIRE FORMS Less traditional looking than a helix or coiled spring, these are wound in “U” or “V” configurations, so they flex and snap back out.

Extension Springs - Wire Dia (0.18mm-5.00mm) - Springmasters

Extension Springs - Wire Dia (0.18mm-5.00mm) Filter Options For more information, specifications and material details please visit the extension springs page.

Custom Precision Springs - Spring Manufacturer - Custom

Master Spring and Wire Form Co. is a spring manufacturer that specializes in high quality, custom precision springs and wire forms.

Extension Spring Calculation Formulas in English Units

Formula for designing a spring with a specified wire diameter. where the τ 8 = 0.85 τ A value is used for the value of torsion stress for the spring material, in the spring fully loaded state.

Michigan Steel Spring

For over 45 years, Michigan Steel Spring has specialized in the manufacture of springs, clips, wire forms, wave and belleville washers as well as flat springs. Our springs are used in critical applications, in industries such as Aerospace, Appliance, Military, Marine, Medical, Transportation and many more.

Wire Length of Extension Spring Calculator

Wire Length of Extension Spring Calculator Extension Spring is also referred as tension spring, where the helical wound coils are wrapped together tightly to create tension. The spring has hooks or loops, attached at both ends to hold the other components. When the components moves apart in opposite direction, spring push them back together.

Custom Spring Manufacturing - Wire Forms, Torsion Springs

Our full line of online springs ranges from compression springs, extension springs, torsion springs, wire forms and other custom springs. Our extensive line of springs means we can deliver the springs you need quickly, and if you don’t see what you need we can manufacture custom springs to

Extension Spring Design Resources, Stainless Steel

Extension Spring Materials Stainless steel extension springs, music wire, hard-drawn wire, and more. We manufacture custom extension springs from all types of material. The most common material types for extension springs are stainless steel (type 302, type 316 and type 17-7 PH), music wire and hard-drawn wire. Common extension spring materials

Extension Springs, Heavy Duty Extension Springs

Master Spring has the capabilities to manufacture custom extension springs with a wire diameter of .010″ up to .250″ and with a variety of ends, including twist, German hooks, cross center, side loops, flat stock hooks, and extended hooks

Extension Springs - Wire Dia (0.18mm-5.00mm) - Springmasters

Extension Springs - Wire Dia (0.18mm-5.00mm) Filter Options For more information, specifications and material details please visit the extension springs page.

Extension Spring - 0.25 O.D. x .0286 Wire Dia. - 302 SS

Gardner Spring E12C-SS Extension Spring, .25 O.D. x .0286 Wire Dia., 2.25 OAL, 1.26 lbs/in. - 302 SS High quality general-purpose extension springs come in a wide range of lengths and load capacities ideally suited for OEM applications, equipment maintenance, as well as numerous industrial projects.

Custom Spring Manufacturer - Compression, Extension

Give us a chance to provide you a quote for your custom, heavy duty spring design. Since 1930, thousands of customers have trusted us with all of their custom compression springs, torsion springs, extension springs and wire form needs. General Wire Spring Company custom designs and manufactures springs from a vast selection of materials. We can

Custom Springs - Quick Quotes - Quick Delivery - Quick Spring

Quick Spring specializes in rapid prototyping, short-run and low volume custom springs and wire forms. Focused on providing quick quotes and quick delivery, Quick Spring is the spring manufacturer of choice for quick turn springs.

P528 28 in. Plug-End Extension Spring (0.207 in. No. 5 Wire)

The P720 20 in. Plug-End Extension Spring is The P720 20 in. Plug-End Extension Spring is a Holmes spring replacement for 1-piece garage doors as well as for toy haulers using lift springs. We recommend replacing all springs at the same time for balanced door lift and even wear.

Extension Spring - Garage Door Springs - Residential

Get free 2-day shipping on qualified Extension Spring, Garage Door Springs products or buy Doors & Windows department products today with Buy Online Pick Up in Store.

Mercer Spring and Wire LLC - Home

Compression Spring, Torsion Spring, and Extension Spring, Designer and Manufacturer. Also a manufacturer of custom wire forms. ISO 9001:2008 Certified. Specializing in light and heavy duty industrial springs for a variety of industries.

Spring Measurements and Specifications - Quality Spring

How to measure Extension Springs and Tension Springs. To Measure your Extension Springs Correctly See diagram to the right for explanation. -----> You will need to know the following extension spring measurements: 1. Wire Diameter 2. Outer Diameter 3. Length inside Hook 4. Body Length 5. Choose your hook type below:

Extension Springs - Hyde Spring & Wire Co.

For more information on Hyde Compression Springs (HC) call! 877-272-2205. To find the correct spring for your application, you can filter the springs using the filter in the right hand column. Filter by diameter, wire diameter, length, spring rate, max load and price range. If you have any questions we have associates standing by to assist you.

Extension Springs - Custom Tolerance Springs - Ace

Extension springs is a wire spring that reacts to forces pulling the ends apart and physically extending in shape, trying to offer resistance and return to its close coiled shape. Extension springs are designed to absorb and store energy as well as create a resistance to a pulling force.

Extension Springs - Spring Team, Inc. - Premier

Extension springs are available in wire sizes from .020” to .162” with traditional or exotic hook, loop and leg configurations. Extension springs are used in many applications, including high performance racing equipment, brake systems, medical equipment, healthcare equipment, conveyor systems, door assemblies, farm machinery and more.

Custom Extension Spring Manufacturer - Extension Springs

Extension Spring Manufacturer WCS Industries manufactures precision extension springs using wire diameters ranging from .005" - .275". We can produce many different hooks to meet your design.

Custom Extension & Hook Springs - Stainless Steel & Heavy

Extension Spring Materials. Spring steels most commonly used in our process for manufacturing Extension Springs are Oil Tempered, Chrome Silicon, Music, and Stainless Steel wire. We can provide you with extension springs ranging in wire diameters from .007″ up to .750″. Many of our prototype and short run orders range within these sizes.

Custom Extension Springs Manufacturer - Associated Spring

Associated Spring develops custom helical extension springs to suit your application needs. Our engineered extension springs include a wide range of end hooks, full twist loops and other configurations. Prototypes are made to customer specifications. These critical components vary in size, shape, end configuration and assembly complexity.

Extension Spring Manufacturers - Custom Extension Springs

Extension springs are most commonly formed with a closed coil configuration, where each coil is in contact with the adjacent coil. The "initial tension" in the extension spring body determines how tightly these coils will be held together.

6 in. L x 7/8 in. D Extension Spring - The Home Depot

This extension spring is constructed from .091 gauge heat tempered steel spring wire. It features an outside diameter of 7/8 In. and a length of 6 In. Used for a variety of household applications.

Stock Springs - Learn About - Lee Spring

Learn more about Lee Spring's wide selection of thousands of stock springs, including compression springs, extension springs, torsion springs, die springs, wave springs and many more, as

Extension Springs - RS Components

An extension spring or tension spring is a length of tightly coiled metal, usually steel with hooks or loops at either end. Extension springs absorb and store energy. What does it do? An extension spring is a component that creates a resistance to a pulling force. Extension springs work by trying to pull two objects back together.

Standard Wire Gauge (SWG) to Decimal Inches and Millimiters

Standard Wire Gauge (SWG) to Decimal Inches and Millimiters Our website is currently under maintenace. If you need to reach us for a Request for Quotation or any Questions

Coil & Custom Spring Manufacturer - Century Spring Corp.

Century Spring Corp. (CSC) is North America’s leading catalog source of stock and custom springs for MRO and OEM applications for over 90 years. CSC features the largest stock spring selection in the world, as well as offering custom spring manufacturing services to fit your exacting quality standards.

Extension Springs - Close Wound On The D.R. Templeman Co.

Extension Springs are coil springs designed to be stretched from free length to a longer extended length to store energy, to provide a resistance to a pulling force or to provide a restoring force. They are usually close wound, meaning that each coil is held tightly against the adjacent coil(s).

Mechanical & Garage Door Spring Manufacturer - IDC Spring

As a manufacturer, you need only the highest quality mechanical springs specifically designed for these products. You'll find this quality and reliability with IDC Spring. As a custom mechanical spring supplier, we offer torsion, extension springs, compression springs, barrel and wire forms that are custom-made for your unique applications.

Springs - McMaster-Carr

Continuous-Length Extension Springs Piano Wire Extension Springs Precision Extension Springs Ultra-Precision Extension Springs. Extension Springs with Loop Ends Fixture Springs Flat Springs Gas Spring Accessories Gas Springs.

Orlando Spring – Compression Springs, Torsion Springs

We Manufacture Custom Springs. Since 1957, Orlando Spring has been a leader in manufacturing highly engineered & customized precision springs and wire forms. Our commitment has always been to provide 100% quality products and services with on time delivery in a cost effective system.