Shinwa Sokutei Protractor - No. 19 - 62490

The Shinwa Sokutei Protractor No. 19 is a precision 2-arm type measuring tool designed for accurat...

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eBayShinwa measurement protractor two rod No.19 Silver 62490 F/S w/Tracking# Japan
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Product Information

Full details

The Shinwa Sokutei Protractor No. 19 is an essential precision tool for machinists, woodworkers, and technical drafters who require reliable angle and length measurements in a compact package. This two-arm protractor excels at marking precise angles and verifying existing workpieces; however, users should note that its compact size makes it better suited for small-scale projects rather than large-scale carpentry or structural work.

All features

Model Part Number62490
Brandシンワ測定(Shinwa Sokutei)

Extended Product Information

FAQs

What is the total length of the tool?

The total length including the rod sections is 153mm.

Does this tool measure in inches or millimeters?

The integrated rod features a 100mm scale for metric measurement.

What is the scale increment?

The protractor has a precise 1-degree scale pitch.

Can this be used for professional machining?

Yes, Shinwa Sokutei tools are designed for professional use, though it is optimized for small-scale tasks.

How do I ensure the measurement remains accurate?

Always verify the zero setting before each session and ensure the pivot is locked tight.

Troubleshooting

Arms are too loose or too stiff

Adjust the central pivot screw slightly to achieve the desired tension for smooth operation.

Difficulty reading markings

Wipe the surface with a lint-free cloth and ensure you are working under adequate light to reduce glare on the metal finish.

Pros and Cons

Pros

  • High measurement precision
  • Lightweight and portable design
  • Versatile for both marking and measuring
  • Clear, easy-to-read graduation marks

Cons

  • Limited to small-scale applications
  • Fixed scale size may not suit all large drafting needs
  • Requires manual locking mechanism handling

Setup, Compatibility & Care

To ensure the longevity of your Shinwa Sokutei Protractor, avoid dropping the device on hard concrete, as the precision alignment of the arms can be affected by impact. When setting an angle, ensure the pivot screw is tightened sufficiently to hold the desired position without forcing the movement. To maintain the accuracy of the graduations, keep the tool free of metal shavings and oils by wiping it down with a dry, clean cloth after each use. Store it in a dedicated tool box or drawer to prevent the arms from bending or scratching.

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