Ruby Balls, Sapphire Balls
We supply precision ruby balls, sapphire balls, hole ruby balls, etc. The material are synthetic ruby and sapphire. The basic diameter tolerance of sapphire and ruby balls are ±0.00127 - 0.0254mm. The size of sapphire and ruby balls from 0.50mm to 150.0mm. Best prices and service.
Sapphire & Ruby Ball
Hole Ruby Ball
Sapphire & Ruby Ball
Hole Ruby Ball
Hole Ruby Balls
Hole Ruby Balls

 

 

 

 

 

 

 

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Ruby balls
Ruby Balls
SPECIFICATION AND TOLERANCE
Products

Diameter

(mm)

Basic Diameter Tolerance (mm)

Diameter Tolerance per Ball Sphericity (mm)

A.F.B.M.A. Grade

Surface Roughness

Ra (m)

Surface Quality Scratch - Dig

Hole

d (mm)

Hole

h (mm)

Ruby Balls

0.50 - 12.00
±0.00127 -0.00254
0.000127-0.000635
G5 - G25

0.02 - 0.05

40 - 20

60 - 40

80 - 50

0.4 - 6.0

About

SD*50%

Sapphire Balls
0.50 - 150.00
±0.00127 -0.0254
0.000127-0.00508
G5 - G200
0.02 - 0.20
Surface Roughness: Rz0.1 - Rz0.4 for Ruby Balls; Rz0.1 - Rz1.6 for Sapphire Balls