Bolt and Nut Measuring Tool M3-M10 – 3D Printed

A tool for quickly determining the length of bolts and screws from M3 to M10 (8–110 mm), with a separate slot for each standard size.

Also includes a check for nut and bolt head diameter, to help you pick the right wrench.

A handy helper for electrical panel assembly and general workshop tasks.

Features

• Size range: M3–M10 (lengths 8–110 mm)
• Material: PLA (3D printed)
• Nut/head check for wrench selection

Design: JK4481 (MakerWorld, CC BY 4.0).