BOLT TORQUE to LOAD, STRESS, and STRETCH CALCULATOR
       
  Select Bolt Type
 
  SELECT BOLT SIZE
 
 
SELECT BOLT MATERIAL:
This will establish the spring material to be recommended. Solon usually chooses a spring material in the same family as the bolt/stud. SELECT BOLT MATERIAL
 
 
This is only needed for the bolt stretch calculation. Grip length is the length of bolt or screw that is subject to stretching. It is often the thickness of the joint components.
 
   
  SELECT Lubricant / Bolt Condition:    
 
 
 
 
   
   
   
   
   
   
   
  CALCULATED OUTPUT:  
   
   
   
 
L/D = Bolt Length to Diameter Ratio. Values less than 6.0 may lead to excessive relaxation.
 L/D Ratio
 
 
Bolts lose load and stress over time for a variaty of reasons. Click on one of the links below for technical information and calculators specific to maintaining bolt load in a variety of applications. REDUCE RELAXATION