12.9 Alloy Steel 1220 177,000 1100 160,000 A2-70 302 Stainless 700 102,000 450 65,000 A4-80 316 Stainless 800 116,000 600 87,000 BOLT THREAD LENGTHS BOLT STRENGTH DATA BOLT TORQUE TABLE . CADceptual Design J www.cadceptual.co.uk . Author: Gary Jones Created Date: ...