User:MeccanoJoe/Books/NutsBolts

Annealing (metallurgy)
Stainless steel
Martensite
Austenite
American wire gauge
Standard wire gauge
British standard pipe thread
National pipe thread
AN thread
Screw
British Standard Whitworth
ISO metric screw thread
British Association screw threads
Unified Thread Standard
British standard fine thread
Steel
Metal
Pipe (material)
Nominal Pipe Size