Disc Springs

Performance Expectations for Threaded Inserts in Plastic Assemblies
Threaded Inserts enable designers to manufacture components out of plastic rather than metal to save cost and weight without sacrificing joint strength.  Learn what factors impact rotational torque and tensile performance of Inserts and how to assure a stable design.

How to Select the Proper Spacer for Your Assembly
There are many different types of components that are used as spacers, standoffs, or distance bushings. Learn the advantages of using Roll Formed Tubular Spacers over more expensive spacing options.

Solid Pin Retention Features
Solid Pins are commonly used as a permanent fastener in a wide range of applications. They are retained by the harder Solid Pin displacing material in the softer host component(s).  There are several types of Solid Pin retention features. This White Paper describes the common types of retention features and can serve as a reference tool when designing a new product.

How to Design the Proper Hole for Heat / Ultrasonic Inserts
This White Paper focuses on the recommended hole design for plastic assemblies that use Threaded Inserts installed by heat or ultrasonics to maximize performance.

How to Select the Proper Pin for Your Application
Fasteners are some of the most important parts of an assembly as they hold the entire assembly together and facilitate the interaction between the individual components. Ideally, the selected fasteners are simple to assemble, provide a quality product for the intended lifetime of the assembly, and yield the overall lowest cost of the assembly taking into account the entire manufacturing process. This article focuses on how to select the proper pin for an application. Specifically, press fit pins are discussed here as they are the most common types of pins used in modern manufacturing.

The Difference Between Disc Springs and Belleville Washers
While both Disc Springs and Belleville washers may be suitable for your application, they are not always interchangeable.  This white paper breaks down some of the important differences, and why a disc spring may be more beneficial for your application.

Which Austenitic Stainless Steel Spring Pin is Best for Dynamic Loading?
Although there are many advantages to using Spring Pins, it is important to understand the design features between Slotted and Coiled Spring Pins - particularly for critical applications and those subjected to dynamic loading. This White Paper details the specific design differences between both Slotted Spring Pins and Coiled Spring Pins and explains which Spring Pin is best for dynamic loading.

SPIROL Introduces New Precision Machined Compression Limiters to Protect Plastic Assemblies
The new CL6000 Aluminum and CL8000 Brass Compression Limiters have a host of benefits including robust retention due to superior knurl formation, as well as enhanced control of critical features and better geometric dimensioning & tolerancing which mak...

SPIROL Celebrates 75 Years of Helping Customers Thrive!
SPIROL is pleased to announce the celebration of their 75th anniversary.  Since SPIROL’s inception in 1948, the company has been laser-focused on not only helping their 15,000 global customers be more competitive through innovative faste...

SPIROL Expands Fastener Installation Equipment Line
Introducing the new Model CP Pneumatic Compression Limiter Installation Machine!

SPIROL Expands CL220 Split Seam Compression Limiter Line
SPIROL has expanded the CL220 Compression Limiter offering by adding additional diameter and length combinations to accommodate a variety of application requirements. Rated for use up to ISO Class 8.8 bolts, the CL220 Compression Limiter...

Ford Aerospace Acquired by SPIROL
SPIROL announces that Ford Aerospace Ltd based in South Shields, UK will be joining the SPIROL group of companies

SPIROL Releases New Video Demonstrating Automatic Pin Installation Machines
SPIROL is pleased to announce the release of a new video showcasing the features, advantages and benefits of the recently updated Model PR Semi-Automatic Pin Inserter and Model CR Heavy Duty Semi-Automatic Pin Inserter.  Both models are desig...

SPIROL Expands eCommerce to Include Threaded Inserts for Plastics
SPIROL has recently expanded their eCommerce platform, Shop.SPIROL.com, to include their expansive Threaded Inserts for Plastics product line.

SPIROL Launches New SPIROL.com!
SPIROL recently launched their new and improved corporate website: SPIROL.com. The new corporate website is a culmination of over 74 years of engineering knowledge and experience in the fastening, joining and assembly arena.

SPIROL Receives 2020 General Motors Supplier Quality Excellence Award
SPIROL is pleased to announce the receipt of the 2020 General Motors Supplier Quality Excellence Award. Two of SPIROL’s locations, SPIROL International Corporation in Danielson, CT, USA and SPIROL Industries Limited in Winsor, Ontario, Canada, eac...

SPIROL Expands eCommerce Within Europe and the Americas
SPIROL is pleased to announce the recent expansion of Shop.SPIROL.com in the United Kingdom, Germany, and Canada to include Disc Springs, Slotted Spring Pins and Inserts for Plastics.

SPIROL Introduces New Press-N-Lok™ Pin
SPIROL is pleased to announce the expansion of their Solid Pin Product Line to include the new Series BP100 Press-N-Lok™ Pin. The new Press-N-Lok™ Pin was designed to permanently retain two plastic components to each other. The pin has opposi...

SPIROL Introduces Split Seam – Extra Clearance Compression Limiters
SPIROL is pleased to introduce the new CL220 Split Seam – Extra Clearance Compression Limiter to their expansive product offering.  This post-mold installed Compression Limiter has a flexible diameter to accommodate wide hole tolerances, while the...

SPIROL Launches New Series of Molded-In Aluminum Threaded Inserts for Plastics
SPIROL is pleased to introduce a new, high-performance series of Molded-In Inserts for plastics assemblies. The rugged design of the Series 63 Through Hole Inserts and Series 65 Blind End Inserts consists of multiple bands of h...

SPIROL Expands Shop.SPIROL.com Platform to Include Disc Springs
SPIROL is pleased to announce that Disc Springs have recently been added to their eCommerce platform, Shop.SPIROL.com. While all of SPIROL’s engineered components will eventually be available for purchase through Shop.SPIROL.com, Di...

Slotted Spring Pins Now Available on Shop.SPIROL.com
SPIROL is pleased to announce that Slotted Spring Pins have recently been added to their eCommerce platform, Shop.SPIROL.com.  In addition to being able to purchase SPIROL’s standard Slotted Pins online, you are also able to view or down...

SPIROL Completes Major Expansion at Connecticut World Headquarters
SPIROL employees, company executives, board members, state representatives, and other honored guests gathered to celebrate the completion of the major expansion to SPIROL’s world headquarters and largest global manufacturing facility located in Northea...