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Ratchet Thimble 'Constant Force' Micrometers.

Metric / Imperial

Product Ref: 361

External screw-type micrometer with combined ratchet stop Consistent measuring force due to combination ratchet design of thimble and speeder (patent applied for). Ideal for single handed operation. Certificate of inspection included. Features: Carbide tipped measuring faces Clear graduations on satin chrome finish Spindle lock Frame is fitted with heat shields Accuracy ▒ 3Ám Measuring Faces Flatness - 0.6Ám (0.000024") for models of 0.01mm (0.001") reading 0.3Ám (0.000012") for models of 0.001mm (0.0001") reading Parallelism - 1Ám (0.00004") for 25mm (1") model 2Ám (0.00008") for 50mm (2") model

Measuring Range Graduation Accuracy
0-25mm 0.01mm ▒3Ám
0-25mm 0.001mm ▒3Ám
0-1" 0.001" ▒3Ám
0-1" 0.0001" ▒3Ám

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