FRANTZ Sterling^® Steel Ball has been manufacturing carbon steel balls in Sterling, IL since 1947. Sterling^® Steel Ball products earned a national reputation for quality, precision, and performance. In addition to our manufactured balls, Sterling^® Steel Ball globally sources balls for customers desiring stainless steel balls with roundness, surface roughness, case depth, and hardness standards commensurate with their application.

This is our Stainless Steel Ball value to you:

• Quality Manufacturing and Sourcing
  Stainless steel ball products can be manufactured or globally sourced providing product that meets Sterling^® Steel Ball standards. In other words, we stand behind what we sell and provide our customers with peace of mind.


• Inspection Services
  Customers requiring closer tolerances or additional quality assurance in stainless steel ball products may choose to employ Sterling^® Steel Ball inspection services. Sterling^® Steel Ball operates a state of the art test lab to measure our products against ABMA standards including roundness, surface roughness, case depth and hardness. This service assures an additional level of quality beyond that available from traditional distributors and provides value from a supplier whose reputation has been built over decades manufacturing steel balls. Click here for more details about our steel ball quality.


• Drilling Capabilities
  Sterling^® Steel Ball utilizes high speed technology to drill holes of various diameters and depths into spheres of various sizes and materials. In addition to drilling our precision manufactured balls, we will drill stainless steel balls of various materials to your specification. Click here for more details about our ball drilling capabilities.

When maintaining the integrity of the ball finish in a corrosive environment is important, choose our stainless steel line of quality balls.

• Corrosion resistant
• Available in AISI 430 Stainless Steel

• Cosmetics (nail polish, lip gloss, eye liner)

Tolerances by Grade for Lots of Balls and Individual Balls

Ball Grade	Allowable Lot Diameter Variation	Allowable Ball Diameter Variation	Allowable Deviation from Spherical Form
2000	.004"	.002"	.002"
5000	.010"	.005"	.005"

Stainless Steel Balls by FRANTZ Sterling^® Steel Ball. Simply better.