Access a vast database of screw and bolt information, including dimensions, material grades, and strength properties for both US and metric fasteners. Features a comprehensive drill chart, unit conversion, and customizable material displays.
What We Love
- π Easy to navigate
- π Comprehensive information
- π§ Useful for everyday work
- βοΈ Essential for engineers and machinists
- π‘ Saves time compared to physical references
Room to Improve
- π Occasional errors in torque and tensile strength data
- π° Metric information requires paid upgrade
- π Missing some thread types like NPT and BSPP






