CUSTOM ORDER SPECIFICATIONS

CALL OR FAX US YOUR SPECIFICATIONS FOR CUSTOM ORDERS
All balls listed below are manufactured according to ABMA Standard 10. Other grades and materials quoted on request.

Material

Common
Standard

AMS/SAE
Unified Number

Typical
Hardness

ABMA
Grade

Typical Size Ranges
For Various Grades
mm     inch

Chrome Alloy Steel

AISI 52100

G-52986
AMS-6440
AMS-6444

Rc 60-67

3
5
10, 16, 24

2.4-6
2.4-13.5
2.4-25.4

1/16-1/4
1/16-17/32
1/16-2 1/4

Alloy Tool Steel

AISI M50

K-88165

Rc 60-65

5
10

2.4-13.5
2.4-25.4

3/32-17/32
3/32-1 5/8

Corrosion Resistance Steel

AISI 440C

S-44004
AMS-5630
AMS-5618

Rc 58-65

3
5, 10, 24

2.4-6.0
2.4-22.2

1/16-1/4
1/16-7/8

Silicon Nitride

 

 

Kn100
>2200

5
10

.040-15.875

1/16-1

Glass
Borosilicate
Optical
Soda Lime

 

 

Kn100
418
--
465

25-500

1.6-12.7

1/16-1/2

Metric sizes and tolerances are available by special order.

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Heat treating has a critical influence on the physical,
metallurgical and performance characteristics of precision balls.

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