Engineering calculators
Calculators for making bolts and nuts, worked from the dimensions of the standards in this store.
Hot forging: head stock and cut length
How much bar a forged head takes, and how long to cut the bar, from the standard's head dimensions.
OpenHot forging of nuts: cut length
The length of round bar to cut for a hot-forged standard nut, from the standard's dimensions.
OpenBar weight
The weight of round, hexagon or square bar: per metre, per piece and in total.
OpenThread rolling: blank diameter
The blank diameter to turn or draw for a rolled thread, metric (ISO) or inch (UNC / UNF), with the thread's limits by its standard.
Open