Detail & Specs
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A4-80 Stainless Square Nut DIN 557
Four-sided square nuts provide greater surface contact (compared with a standard 6-sided hex nut) against the part being fastened. This provides greater resistance to loosening.
Square nuts work well in blind spots because they can be tightened with pliers or a wrench.
Material: A4-80 / SAE Type 316
A4 / 316 Stainless Steel fasteners are "marine grade" corrosion resistant; suitable for salt water applications. A4 fasteners also offer increased resistance to chemicals when compared with A2 stainless fasteners.
Per DIN EN ISO 3506: A4-80 austenitic stainless steel specifically refers to a tensile strength of at least 800 N/mm2.
Commonly used in wet environments. Popular across a wide range of industries: automotive, drone components, laboratory, agriculture, photographic, medical / surgical, food processing, clean energy, etc.
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