The international standard for determining the mechanical properties of bolts, screws and studs ISO 898-1 conforms the desirability of tensile testing these fasteners at full size and makes it mandatory for all products with ultimate tensile loads less than 500 kN. Cooper and Turner's current tensile testing machine had a capacity of 1000 kN which could test up to M36 10.9 bolts but our new machine is 3000kN which can test up to M64 10.9 bolts.
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