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Flexbar 20850 | Digital 3-Point Bore Micrometer | .275 - .350 in (6-8 mm)
Flexbar 20850 is a self-centring digital 3-point bore micrometer that covers .275 - .350 in (6-8 mm) with .00016 in accuracy and is supplied with a .35 in setting ring and a 4 in extension rod.
Key features
- Self-aligning, self-centring 3-point contact
- Carbide-tipped contacts for blind bores
- Ratchet stop for uniform measuring force
- Resolution .00005 in / 0.0001 mm, thimble graduation 0.0001 in
- Digital display with absolute/incremental, tolerance, preset and hold
- RS232C SPC data output
A ring gauge certificate to NIST is available on request.
- Specifications
| Part Number | 20850 |
| Brand | Flexbar |
| Measuring Range | .275 - .350 in / 6-8 mm |
| Accuracy | .00016 in |
| Resolution | .00005 in / 0.0001 mm |
| Thimble Graduation | 0.0001 in |
| Extension Rod Length | 4 in |
| Setting Ring Diameter | .35 in |
| Setting Ring Accuracy | ±.000020 in |
| Contact Points | Carbide tipped |
| Data Output | RS232C |
| Supplied In | Fitted hard case |
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