When we ran a full service chassis fab/turn-key hot rod shop a number of years ago, it was always useful to have threaded things around to weld into the frame for some kind of mount, etc.
Here’s a list of all our threaded things for your reference:
Urethane Bushing Inner Tubes
Product Details
Brand: Welder Series
MPN: 18908
Country/Region of Manufacture: Canada
Bolt Size: 1/2" or 5/8"
Diameter: 3/4"
Length: 1.375" or 1.75"
Available for ½" or 5/8" bolts, for large and regular bushing sizes.
Free machining steel - DO NOT WELD.
QTY 10+ gets you 10% off.