Starrett 780XTZ-11 Internal Tri-Bor Gage – 12040
Starrett 12040 (780XTZ-11) optimizes small-bore internal gauging through a self-centering 3-point mechanical architecture, delivering 0.315-0.393 inch precision with extended carbide faces for constant force stability.
- Gauge Range: 0.315 to 0.393 Inch
- Measurement Logic: Mechanical 3-Point Internal Tri-Bor
- Operational Feature: Ratchet Stop for Constant Force
- Point Material: Extended Carbide Measuring Faces
- Calibration Framework: NIST Traceable Standards
Compliance: NIST Traceable and Starrett Standard.
$2,419.00
In Stock
| Brand | Starrett |
| Model SKU | 12040 (780XTZ-11) |
| Warranty | 12 Months |
| Tool Type | Mechanical 3-Point Internal Tri-Bor Gage |
| Range | 0.315" - 0.393" (8 - 10 mm) |
| Graduation | 0.0001" (0.002 mm) |
| Accuracy | ±0.00015" (0.004 mm) |
| Contact Points | Extended Carbide Faces |
| Features | Self-Centering, Ratchet Stop for constant force |
| Compliance | NIST Traceable |
| Industrial Application | High-precision internal gauging for small bores requiring self-centering stability. |
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