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.

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