17-10-2015, 05:57 PM
1.5x diameter for any bolt to be at 100% strength. (Taken from my Zeus book, (for engineers))
so if the diameter is 20mm, you will need 30mm of thread.
so if the diameter is 20mm, you will need 30mm of thread.
Not always Grumpy!!
306 Cabby SE, 2.0l 16v
To the optimist, the glass is half full. To the pessimist, the glass is half empty. To the engineer, the glass is twice as big as it needs to be!