Have You Placed Your Order for Springs, Yet? As we add another year of successful spring manufacturing under our belt, we would like to announce a limited time offer! Established in 1866, Hardware Products Company (HPC) has a long and storied history as one of the leading suppliers of stock and custom spring solutions in the industry.
The Concept of Counting Coils on Different Types of Springs Counting coils, especially the number of active coils versus the number of total coils, remains to be one of the most misinterpreted concepts of spring manufacturing. Despite being the simplest feature to measure, the process of counting coils has resulted in a surprising number of errors in drawings and in new product development.