Reference/Tooling Balls
Type 1
 |
 |
| (A) Ball Diameter | (B) Length | (C) Stem Diameter |
|---|---|---|
| 6mm | 12mm | 3mm |
| 0.2500" | 0.500" | 0.1250" |
| 8mm | 6mm | 4mm |
| 0.3750" | 0.750" | 0.1875" |
| 10mm | 20mm | 5mm |
| 12mm | 24mm | 6mm |
| 0.5000" | 1.000" | 0.2500" |
| 15mm | 30mm | 7.5mm |
| 0.6250" | 1.250" | 0.3125" |
| 0.7500" | 1.500" | 0.3750" |
| 20mm | 40mm | 10mm |
| 0.8750" | 1.750" | 0.4375" |
| 25mm | 50mm | 12.5mm |
| 1.0000" | 2.000" | 0.5000" |
| 30mm | 50mm | 15mm |
Concentricity Ball to Stem within 5µm/0.0002 TIR
Type 2
 |
 |
| (A) Ball Diameter | (B) Length +/-5um | (C) Length | (D) Diameter +0.00-5.0um |
|---|---|---|---|
| 6mm | 6mm | 6mm | 3mm |
| 0.2500" | 0.2500" | 0.2500" | 0.1250" |
| 8mm | 8mm | 8mm | 4mm |
| 0.3750" | 0.3750" | 0.3750" | 0.1875" |
| 10mm | 10mm | 10mm | 5mm |
| 12mm | 12mm | 12mm | 6mm |
| 0.5000" | 0.5000" | 0.5000" | 0.2500" |
| 15mm | 15mm | 15mm | 7.5mm |
| 0.6250" | 0.6250" | 0.6250" | 0.3125" |
| 0.7500" | 0.7500" | 0.7500" | 9.525mm |
| 20mm | 20mm | 20mm | 10mm |
| 0.8750" | 0.8750" | 0.8750" | 0.4375" |
| 25mm | 25mm | 25mm | 12mm |
| 1.0000" | 1.0000" | 1.0000" | 0.5000" |
| 30mm | 30mm | 30mm | 15mm |
Concentricity Ball to Stem within 5µm/0.0002 TIR
Type 3
 |
 |
| (A) Ball Diameter | (B) Length +/-5um | (C) Length | (D) Thread |
|---|---|---|---|
| 6mm | 6mm | 6mm | M3 |
| 0.2500" | 0.2500" | 0.2500" | 6-32 |
| 8mm | 8mm | 8mm | M4 |
| 0.3750" | 0.3750" | 0.3750" | 10-24 |
| 10mm | 10mm | 10mm | M5 |
| 12mm | 12mm | 12mm | M6 |
| 0.5000" | 0.5000" | 0.5000" | 1/4UNF |
| 15mm | 15mm | 15mm | M8 |
| 0.6250" | 0.6250" | 0.6250" | 5/16UNF |
| 0.7500" | 0.7500" | 0.7500" | 3/8UNF |
| 20mm | 20mm | 20mm | M10 |
| 0.8750" | 0.8750" | 0.8750" | 7/16UNF |
| 25mm | 25mm | 25mm | M12 |
| 1.0000" | 1.0000" | 1.0000" | 1/2UNF |
| 30mm | 30mm | 30mm | M12 |
Concentricity Ball to Stem within 5µm/0.0002 TIR
Type 4
 |
 |
| (A) Ball Diameter | (B) Length +/-5um | (C) Length | (D) Diameter +0.00-5.0um | (E) Thread |
|---|---|---|---|---|
| 6mm | 6mm | 6mm | 3mm | M2 |
| 0.2500" | 0.2500" | 0.2500" | 0.1250" | 2-56 |
| 8mm | 8mm | 8mm | 4mm | M2 |
| 0.3750" | 0.3750" | 0.3750" | 0.1875" | 4-40 |
| 10mm | 10mm | 10mm | 5mm | M2 |
| 12mm | 12mm | 12mm | 6mm | M3 |
| 0.5000" | 0.5000" | 0.5000" | 0.2500" | 6-32 |
| 15mm | 15mm | 15mm | 7.5mm | M3 |
| 0.6250" | 0.6250" | 0.6250" | 0.3125" | 10-24 |
| 0.7500" | 0.7500" | 0.7500" | 9.525mm | 10-24 |
| 20mm | 20mm | 20mm | 10mm | M6 |
| 0.8750" | 0.8750" | 0.8750" | 0.4375" | 10-24 |
| 25mm | 25mm | 25mm | 12mm | M6 |
| 1.0000" | 1.0000" | 1.0000" | 0.5000" | 10-24 |
| 30mm | 30mm | 30mm | 15mm | M6 |
Concentricity Ball to Stem within 5µm/0.0002 TIR
Type 5
 |
 |
| (A) Ball Diameter | (B) Length | (C) Thread |
|---|---|---|
| 6mm | 8mm | M2.5 |
| 0.2500" | 0.312" | 4-40 |
| 8mm | 8mm | M2.5 |
| 0.3750" | 0.312" | 4-40 |
| 10mm | 8mm | M2.5 |
| 12mm | 8mm | M2.5 |
| 0.5000" | 0.312" |
4-40 |
| 15mm | 10mm | M4 |
| 0.6250" | 0.375" | 6-32 |
| 0.7500" | 0.375" | 6-32 |
| 20mm | 10mm | M4 |
| 0.8750" | 0.375" | 10-32 |
| 25mm | 10mm | M6 |
| 1.0000" | 0.375" | 10-32 |
| 30mm | 10mm | M6 |