miniature steel ball

As the name implies, miniature steel balls are smaller than 3/16" diameter are considered miniature. Miniature balls are produced by totally different methods than commercial bearing balls. These processes are so totally unique that during World War II, the Allies were unable to master the process. All of the miniature balls made by the Allies were made by grinding down conventionally produced commercial balls to the small diameters required.

BRIEF INTRODUCTION
miniature steel balls are those that are less than 1/8” (3 mm) in diameter.
Chrome Steel Ball applications include instrumentation for calibration and switching, microvalves, pumps, medical and dental equipment, optical devices, ball screws, timepieces, metal detectors, disk drives, and pens.

HOW Miniature Steel Ball ARE MADE
Heading- Flashing- Heattreatment- Grinding- Find Grinding- First Lapping- Second Lapping

OUR ADVANTAGES
1) Good preformance- 0 customer complain in the past 6 months
2) Strick quality control- ISO9001, TS16949, ISO14001
3) Advanced equipment- full set of quality inspection equipment, precision roller sorting machine(developped by ourselves), photo defectoscope
4) Puntual delivery

SPECIFICATIONS

GradeVariation of Ball DiameterVDwsDeviation from Spherical Form △SphVariation of Ball Lot Diameter VDwlSurface roughness Ra
G50.130.130.250.014
G100.250.250.50.02
G160.40.40.80.025
G200.50.510.032
G240.60.61.20.04
G280.70.71.40.05
G401120.06
G601.51.530.08
G1002.52.550.1
G20055100.15
G50012.512.525
G1000252550
C%Si%Mn%Cr%Cu%S%P%Ni%Mo%
0.95~1.100.15~0.350.25~0.451.35~1.650.3Max0.025Max0.03Max0.03Max0.1Max

Chrome alloy steel and type 440C hard stainless steel are the generally used materials in commercial balls. Following our niche marketing philosophy, we produce miniature steel ball from almost any material, including: aluminum, copper, brass, 300 series stainless steel, tungsten carbide, tantalum and titanium. The best way to view our available stock of miniature steel ball is to use the search function in the shopping cart program. Enter the desired size as a decimal number with a leading 0. For example, to find ¼ inch balls, search for "0.25".

See also: Subminiature steel ball