Ed,

Was the torque setting/value based just on the bolt size (did/do all grades of bolts in the same size have the same torque valve/setting)?

Also, same setting for brass/steel/stainless?

https://www.boltdepot.com/fastener-information/materials-and-grades/bolt-grade-chart.aspx
https://www.boltdepot.com/fastener-information/bolts/US-Recommended-Torque.aspx