【Vol. 29】Notes on the Use of High-Strength Fasteners for Size and Weight Reduction

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SAMURAI Fastener Story Vol.29 updated!

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Notes on the Use of High-Strength Fasteners for Size and Weight Reduction

Many designers consider reducing bolt diameter in order to achieve size and weight reduction by using high-strength fasteners.
By upgrading from standard small screws or hex bolts with property classes such as 4.6 or 4.8 to high-strength bolts with classes 8.8, 10.9, or 12.9,
it becomes possible to replace an M6 bolt with a smaller M5 or M4 bolt, contributing to more compact and lightweight designs.
However, when making such changes, it is essential not to overlook the strength of the mating parts and the clamped components.
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