Detail & Specs
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External Serrated Star Lock Washer - A4 Stainless DIN 6798-A
The aggressive external serrations of this washer bite into the head of the screw or bolt as well as the mating surface for a strong, locked connection resistant to vibration.
Serrated Star Washers provide a stronger hold than Toothed Star Washers because the serrations dig deeper into the connecting fasteners.
Use external star washers with fasteners that have larger head diameters to ensure the best locking grip; pan head, button head and truss head screws, etc.
Also known as serrated lock washer, tight-grip external-serration lock washers.
Specification: DIN 6798-A, Type A
External Serrations"A" type indicates a serrated external design
Material: A4 Stainless
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.
Commonly used in wet environments. Popular across a wide range of industries: automotive, agriculture, photographic, medical / surgical, food processing, robotics, architectural detailing, construction, HVAC, healthcare, sanitary, transportation, clean energy, etc
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