Question: what does 12 24 thread mean?
Answer: 12-24 Threaded Screw – ICACSS01BK – active The term 12-24 comes from the Unified and American Screw Threads for Bolts, Nuts, and Machine Screws standards published by ANSI B1. 1-1974. The number “12” is a size designator. The number “24” refers to 24 threads per inch.