The ANSI B92.1 standard ensures that keys and keyseats are designed and manufactured to precise specifications, allowing for:
Many websites offer "free PDF downloads" but violate copyright laws or distribute low-quality scanned copies with missing pages (often missing page 38!). To get a legitimate, complete document: ansi b 92.1 pdf 38
, but "38" is not a standard pitch designation (these are typically even numbers like 8/16, 16/32, etc.). Document Page 38 The ANSI B92