Getting Started
Add your first fastener
Section titled “Add your first fastener”- Open the app and tap Input in the bottom navigation bar.
- Select a fastener type at the top: Bolt, Washer, or Nut.
- Pick a Metric size from the dropdown. The dimension fields fill in automatically - Except for some field!.
- Adjust any dimension if your fastener differs from the ISO standard.
- Tap the + button in the bottom-right corner to add it to the list.
View the result
Section titled “View the result”Tap List in the bottom navigation bar. You’ll see:
- Each fastener with its size, type, and calculated surface area.
- A summary bar at the bottom showing total surface area and amps needed.
Add more fasteners
Section titled “Add more fasteners”Repeat the process for each fastener in your batch. Mix and match bolts, washers, and nuts — the app totals all of them together.