Detail & Specs
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External Serrated Cup Star Lock Washer - A4 Stainless DIN 6798-V
The aggressive external serrations of this countersunk conical washer bite into the head of the screw or bolt as well as the mating surface for a strong, locked connection resistant to vibration.
Use cupped finish washers with screws and bolts that have a countersunk 90 degree head: socket flat, phillips flat, slotted flat, phillips oval, oval slotted, etc.
Also known as serrated countersunk lock washer, conical cup finish washer.
Specification: DIN 6798-V, Type V Cupped with Serrations
"V" type indicates a externally serrated cup body
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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