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Dimensional compatibility with bolts and washers

1. You have oversized holes. Can DTI's be used? See oversized holes
   
   
2. You have bolt grade that is something other than ASTM A325 or A490. What should you do? Check here special DTI's for non ASTM bolts
   
   
3. You have Twist-Off or TC bolts on a job, and yet the engineer has specified that DTI's must be used. Can both TC bolts and DTI's be used together? See Twist-Off bolts
   
   
4. Can DTI's be installed from one side, with only one man? See One-man, one-side installation

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