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Precision Fabrication of a Stainless Steel Compression Spring


Industrial Spring Corporation was commissioned by a pressure switch industry customer to custom manufacture a compression spring. The objective of this project was to produce a stainless steel spring where the side thrust was kept to an absolute minimum. To accomplish this goal, we used our state of the art metal forming equipment to coil, grind, set removal, and heat treat the metal to a length of 1.562”, and O.D. of .600”, and an I.D. of .418”, while maintaining tolerances of ±1/64” (specified) and ±.005” (held).

Upon completion we employed various testing methods to ensure the quality and durability of the compression spring. The dimensional layout, load, and side thrust were all tested and confirmed to meet specifications.

We manufactured 25,000 units within 15 days that met our customer’s specifications and upheld our reputation for quality, service, and quick turnaround time. For more information on this project, or how Industrial Spring Corporation can custom manufacture products for your company’s needs, please contact us.



Tight Tolerance Compression Spring Manufacturing

Produce a tight tolerance compression spring

Custom Manufacturing Capabilities & Applied / Processes

Primary: Coiling Grinding Scragging

Secondary: Heat Treatment Packaging

Equipment Used to Manufacture Part

Simplex-Rapid MC-50 Coiler CNC Controlled Down Feed Spring Grinder PLC Controlled Set Removal Machine (Scragger)

Overall Part Dimensions

Length: 1.562” O.D.: Ø.600” I.D.: Ø.418” Load 64 Lbs. + 3 Lbs. 3 oz. – 4 Lbs. 8 oz.

Tightest Tolerances

Specified ±1/64” Held ±.005

Material Used

17-7PH Stainless Steel

Material Finish


In process testing / inspection performed

Dimensional Layout Load Testing Side Thrust Testing

Industry for Use

Pressure Switch Industry


25,000 Annually

Delivery / Turnaround Time

15 Working Days

Standards Met

Customer supplied print, 2D CAD Drawing

Product Name

Tight Tolerance Compression Springs