Screw thread micrometer, 4-5″, graduation 0.001″.
Key Features:
- Measures pitch diameter of screw threads. Graduation 001 inch
- Ratchet stop. Supplied with 60 setting standards (except 0-1 inch)
- Optional accessory: 55 setting standards (part no. 3281-Sp)
- Measuring tips (part no. 7381)
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