9. Bolt Stretch Comparison ANSI 24” 150lb Flange, 1-1/4”Bolt, Length 6.750” Plain bolt 0.0078 Inch Stretch bolt 0.0102 Inch 0.0417 Inch 0.0291 Inch 0.0240 Inch 0.0208 Inch 5500 5505H-30K 5505H-45K 5505H-60K Assembly Force 45,411 Lbs 2.6X 3X 3.7X 5.3X Values Below for only one side of Springs Double if springs on both sides