However, note that ASME B1.1 costs roughly $200. If you need a completely free, legally safe reference, the (31st Edition) reproduces all the tables from BS 1580/ASME B1.1 in a summarized format.
Do not risk your company’s compliance or your product’s safety on a blurry, bootleg from a random forum. The cost of a genuine standard is negligible compared to the cost of a failed thread engagement that leads to a catastrophic mechanical failure.
A contains comprehensive tables and guidelines for designers and manufacturers: BS-1580 British Standard Unified Screw Threads BS-1580 British Standard Unified Screw Threads. www.ring-plug-thread-gages.com BS 1580-3:2007 - BSI Knowledge
However, note that ASME B1.1 costs roughly $200. If you need a completely free, legally safe reference, the (31st Edition) reproduces all the tables from BS 1580/ASME B1.1 in a summarized format.
Do not risk your company’s compliance or your product’s safety on a blurry, bootleg from a random forum. The cost of a genuine standard is negligible compared to the cost of a failed thread engagement that leads to a catastrophic mechanical failure.
A contains comprehensive tables and guidelines for designers and manufacturers: BS-1580 British Standard Unified Screw Threads BS-1580 British Standard Unified Screw Threads. www.ring-plug-thread-gages.com BS 1580-3:2007 - BSI Knowledge