Outside Micrometers for Tolerance Checking
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Confirm a part is within your set tolerance. Set your minimum and maximum tolerance to quickly check where your part falls. They have a plain thimble that turns freely without friction or a stopping device. These micrometers rely on operator feel for accurate measurements.
Mitutoyo 523 series micrometers have tolerance pointers on the dial gage, so you can set your minimum and maximum tolerance.
Measuring Range | Accuracy | Measuring Increments | Throat Dp. | Frame Material | Environmental Rating | Features | Manufacturer Model Number | Each | |
Mitutoyo Micrometers with Dial Display | |||||||||
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Plain Thimble | |||||||||
0"-1" | ±0.00005" | 0.00005" | 0.984" | Steel | IP54 | Tolerance Pointers, Tolerance-Checking Go/No-Go Operation, Locknut | 523-131 | 0000000 | 0000000 |
1"-2" | ±0.00005" | 0.00005" | 1.378" | Steel | IP54 | Tolerance Pointers, Tolerance-Checking Go/No-Go Operation, Locknut | 523-132 | 0000000 | 000000 |
Mitutoyo Micrometer Heads
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Use these micrometer heads in jigs, fixtures, machine tools, movable tables, and other equipment that require precise adjustments. They are held in place by the cylindrical mounting hub using your existing brackets or fixtures. All have a plain thimble that turns freely without friction or a stopping device and relies on operator feel for accurate measurements. Spindle length is the maximum extended distance when the micrometer head is set at zero.
Clamp nuts securely hold the micrometer head and provide extra support.
Spindle | Mounting Hub | ||||||||||||
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Measuring Range | Accuracy | Measuring Increments | Tip Shape | Dia. | Lg. | Face Material | Overall Lg. | Lg. | Dia. | Features | Manufacturer Model Number | Each | |
Plain Thimble—Rotating Spindle | |||||||||||||
0" to 0.5" | ±0.0001" | 0.001" | Flat | 0.197" | 0.61" | Steel | 2 13/16" | 0.375" | 0.375" | Clamp Nut | 148-502 | 00000000 | 000000 |
Precision-Adjustment Micrometer Heads
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For near perfect positioning, the spindle on these micrometer heads moves in smaller increments than the spindle on any other micrometer head we offer. Mount them in equipment requiring extremely precise adjustments, such as positioning tables used in semiconductor manufacturing or in optical component alignment. Their round spindle tip minimizes alignment errors. The thimble turns freely without friction or a stopping device, so they rely on user feel. They are held in place by the cylindrical mounting hub using your existing brackets or fixtures. For a tight hold and extra support, secure the clamp nut against the bracket or fixture on the mounting hub.
Spindle length is the maximum extended distance when the micrometer head is set at zero.
Spindle | Mounting Hub | ||||||||||||||
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Measuring Range | Accuracy | Measuring Increments | Travel Distance per Turn | Tip Shape | Dia. | Lg. | Face Material | Overall Lg. | Lg. | Dia. | Features | Manufacturer | Manufacturer Model Number | Each | |
Plain Thimble—Rotating Spindle | |||||||||||||||
0 mm to 6.5 mm | ±0.002 mm | 0.01 mm | 0.25 mm | Round | 0.250" | 0.35" | Steel | 1 29/32" | 0.375" | 0.375" | Clamp Nut | Mitutoyo | 148-323 | 0000000 | 000000 |
0 mm to 6.5 mm | ±0.002 mm | 0.002 mm | 0.1 mm | Round | 0.197" | 0.55" | Steel | 2 27/64" | 0.375" | 0.375" | Clamp Nut | Mitutoyo | 148-143-10 | 0000000 | 000000 |
0 mm to 13 mm | ±0.002 mm | 0.01 mm | 0.25 mm | Round | 0.197" | 0.69" | Steel | 2 13/16" | 0.375" | 0.375" | Clamp Nut | Mitutoyo | 148-133-10 | 0000000 | 00000 |
Dial Depth Gauges
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Check depth measurements at a glance.
Base extensions (sold separately) increase the base width of your depth gauge to measure large diameter holes.
Measuring Blade | Base | ||||||||||||||
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Measuring Range | Accuracy | Measuring Increments | Tip Wd. | Wd. | Material | Wd. | Lg. | Material | Overall Ht. | Measurement per Dial Revolution | Dial Face Color | Manufacturer | Manufacturer Model Number | Each | |
0"-6" | ±0.001" | 0.001" | 0.16" | 0.43" | Stainless Steel | 4" | 11/16" | Stainless Steel | 10 1/4" | 0.001" | White | Mitutoyo | 527-311-50 | 0000000 | 0000000 |
0"-12" | ±0.0015" | 0.001" | 0.16" | 0.43" | Stainless Steel | 4" | 11/16" | Stainless Steel | 16 1/8" | 0.001" | White | Mitutoyo | 527-313-50 | 0000000 | 000000 |