different grades of bolts have different strength values and are not made of the same material. a grade 2 will stretch , while a grade 8 will just snap off. plus the grade 8 bolt can be stronger than the thing being clamped. that is why you torque values are engineered into stuff. but i am not am engineer , so maybe one can explain it better. you need to clarify what you mean or give some spec's as to the 2,5, and grade 8 bolts maintaining the same hold down with the same torque. guess i am not the only one wondering what you mean by the 1/4 " bolts at 12 # ?
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Today's Featured Article - History of the Cockshutt Tractor - by Danny Bowes (Dsl). The son of a very successful Toronto and Brantford, Ontario merchant, and himself quite an entreprenuer, James G. Cockshutt opened a business called the Brantford Plow Works in 1877. In 1882, the business was incorporated to become the Cockshutt Plow Company. Along with quality built equipment, expedious demand and expansion made Cockshutt Plow Works the leader in the tillage tools sector of the farm equipment industry by the 1920's.
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