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Metric grade 10.9 hex flange bolts standard pitch; metric grade 10.9 hex flange boltsfine pitch; metric socket head cap screws . m2 x 0.4 socket head cap screws; m2.5 x 0.45 socket head cap screws; m3 x 0.5 socket head cap screws; m4 x 0.7 socket head cap screws; m5 x 0.8 socket head cap screws; m6 x 1.0 socket head cap screws; m8 x 1.25 ...

Hex head cap screws are typically used to create a bolted joint, in which a threaded shaft exactly fits a corresponding tapped hole or nut. grade 2 screws tend to be used in construction for joining wood components. grade 5 screws are used in small engines. grade 8 screws provide high tensile strength.

Mostly astm a193 grade b7 bolts are selected along with astm a194 grade 2h nuts. however there is no astm or other standard where it recommends using a194 gr. 2h nuts with this bolt. the reason that a194 grade 2h nuts are used more often with a193 grade b7 bolts is simply cost.

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