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Soft Ground Polished Steel Balls
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.

This is our Soft Ground Polished Ball value to you:
  • Quality Manufacturing
    Soft ground polished ball products are domestically manufactured 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
    Sterling® Steel Ball operates a state of the art test lab to assure 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 for further details on 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 can drill soft ground polished balls of various materials to your specification. Click for further details about our Drilled Ball capabilities.

  • Finishing Options
    Sterling® Steel Ball provides plain, polished or various plated finishing options.

  • Sterling Armor®
    For applications where corrosion is an issue, FRANTZ offers Sterling Armor®; a patented heat treating process that changes the physical microstructure within the steel surface of the ball to provide corrosion protection superior or equivalent to stainless steel in most environments. Finishes include gloss black or dull patina. Sterling Armor® is a cost effective solution to your soft ground polished ball corrosion challenges. Click here for more information about Sterling Armor®.
Our soft ground polished line of non-hardened balls is perfect for decorative, display and merchandising applications. 

Features
  • Available in a full range of sizes
Typical Uses
  • Ornamental decorations
  • Display fixtures
  • Shelving
Tolerances by Grade for Lots of Balls and Individual Balls
Ball GradeAllowable Lot Diameter VariationAllowable Ball Diameter VariationAllowable Deviation from Spherical Form
2000.004".002".002"
5000.010".005".005"


Soft Ground Polished Steel Balls by FRANTZ. Simply better.


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