Internal Pitch Diameter Bore Gages

The Internal Pitch Diameter gage is ideally suited to check the internal pitch diameter of gears and splines. It can also be used to check any internal dimension where centralization is not necessary. Production models are available for a specific "best wire size" dimension. Models over 1.25" are supplied with interchangeable screw-in contacts. Special Fixed "V" masters are available to suit the application.

> "V" style setmasters are built per application.
Features:
- Carbide ball contacts (best wire size)
- Interchangeable screw in contacts
- Can be used to check PD or major root diameter of gears and splines
- Optional fitted storage case available
Table below lists available models.
| Model # | Contact Type | Gaging Depth | Bottom of Head To Centerline Of Contact | Frame Style | Roll Dim. | Storage Box # |
|---|---|---|---|---|---|---|
| PD-500 | Fixed | 3" | .188" | DBL-499 | .50" - 1.25" | 9000 |
| DSPD-1000-A | Interchangeable | 5" | .224" | DS #3 | 1.25" - 3.00" | DX2-89953 |
| PD-1000-A | Interchangeable | 4" | .188" | DBL-998 | 1.25" - 3.00" | 9000 |
| DSPD-3000-A | Interchangeable | 6" | .244" | DS #5 | 3.0" - 6.0" | DX2-89955 |
| PD-3000-A | Interchangeable | 5" | .250" | DBL-300 | 3.0" - 6.0" | 9005 |
| DSPD-6000-A | Interchangeable | 6" | .312" | DS #6 | 6.0" - 13.0" | DX2-89956 |

> Model DSPD-3000-A.
Table below lists available interchangeable carbide contacts.
| Part # | Diameter |
|---|---|
| Specials quoted per application | |
| 4081-125B | .1250" |
| 4082-187B | .1875" |
| 4082-250B | .2500" |
Note: Indicators shown on pictures above is not included and must be purchased separately. Please see our indicators selection at dial indicators, traditional dial indicators and digital indicators pages respectively.
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