Description
Ball probe ø 2 mm, thread M2.5 is a Schwenk ball probe — the spring-loaded contact element that rides on the bore wall during measurement with a Schwenk internal measuring instrument. The probe is a wear item that is replaced periodically to maintain the parent instrument’s accuracy within published tolerances.
Ball diameter ø 2 mm. Hardened, ground steel; the ball’s deviation diameter is tightly controlled during manufacturing, and the probe is supplied with calibration documentation. Match the thread to the host instrument (M1.6, M2, M2.5, or M3 depending on the Schwenk model). Replacing a worn probe restores the host instrument’s measurement accuracy without requiring a full instrument service.
Usage: unscrew the worn probe from the measuring head, clean the thread seat with a degreaser to remove any residual chips, screw in the new probe to its torque specification, and then verify zero against a Schwenk setting ring at nominal diameter. The replacement is a routine workshop maintenance step; no special tools are required beyond a small screwdriver or hex key for the locking screw on certain models.
Common applications: routine maintenance of Schwenk two-point internal measuring instruments in workshops performing regular bore inspection, spare kits for QC chains where instrument downtime must be minimized, and matched assembly replacement when a probe is lost or shows visible damage.
Features
- Ball probe ø 2 mm, thread M2.5
- Hardened, ground reference surfaces for repeatable measurement
- Schwenk build quality
- Suitable for workshop QC, calibration labs, and bench measurement applications
- STANDARD LINE series
Specifications
| Manufacturer | Schwenk |
|---|---|
| Series | STANDARD LINE |
| Type | Schwenk ball probes |
| Article number | 64-852011 |
Compatible accessories
Compatible accessories: Schwenk setting standards and reference standards for periodic verification of accuracy at known dimensions; calibration certificates (ISO 17025) at initial delivery and for periodic verification — typically a 12-month interval for production floors, 6 months for high-volume chains; Schwenk protective cases and bench storage; Schwenk spare parts and consumables where applicable.
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