What's New

The startup process has been changed.
Ad skd update.

App Description

This app is an application for calculating the length of the screw.
※:This app does not guarantee the effectiveness of the combination.
※:Use this application at your own risk.

Conforms to the Japanese Industrial Standards (JIS).
Screws are all metric coarse screw.
For mechanical design.
Sorry, Only in Japan.Because using the JIS.

iPhone Screenshots

(click to enlarge)

Bolt Length - (Nominal Length) screenshot 1 Bolt Length - (Nominal Length) screenshot 2 Bolt Length - (Nominal Length) screenshot 3 Bolt Length - (Nominal Length) screenshot 4 Bolt Length - (Nominal Length) screenshot 5

iPad Screenshots

(click to enlarge)

Bolt Length - (Nominal Length) screenshot 6 Bolt Length - (Nominal Length) screenshot 7 Bolt Length - (Nominal Length) screenshot 8 Bolt Length - (Nominal Length) screenshot 9 Bolt Length - (Nominal Length) screenshot 10

App Changes

  • October 04, 2015 Initial release
  • October 15, 2015 New version 1.0.1
  • June 13, 2019 New version 1.0.4
  • November 26, 2019 New version 1.1
  • September 16, 2023 New version 1.2
  • April 25, 2024 New version 1.2.1

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