-Drilled Carbon Steel Balls-
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Drilled Carbon
| Our Drilled Balls undergo extensive testing and inspection to meet your exact specifications. We feature a high volume drilling facility. Special drilling of customer-supplied product is available. |
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Tolerances by Grade for Lots of Balls and Individual Balls
| Ball Grade | Allowable Lot Diameter Variation | Allowable Ball Diameter Variation | Allowable Deviation from Spherical Form |
| 500 | .001" | .0005" | .0005" |
| 600 | .0012" | .0006" | .0006" |
| 1000 | .002" | .001" | .001" |
| 2000 | .004" | .002" | .002" |