Bolts Grade Chart

Bolts Grade Chart. These correspond to the diameter in mm, so an m5 bolt has a thread diameter of 5mm. Strength is similar to grade 5.

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Each kit contains fasteners, nuts, washers and lock washers of the same material as your flange. 9 rows chart for easy comparison of us / metric screws and bolts. Grade 2 bolts are cheap but not very strong, grade 8 bolts are the strongest and most expensive, and grade 5 bolts are the most common.