These bolts are going to be used as anchor points connecting the bottom concrete structure with the top mechanical facility in steel with a weight of >40.000to.

GTM FRANCE provided these bolts and all accessories in various special steel grades (some are modified) and stainless steel customized quenched & tempered on its own heat treatment equipment.

We achieved high mechanical values combined with high resilience even at low temperature. The bolt dimensions are M 138 with a modified trapezoidal thread.


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