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A freely rotating but permanently attached washer distributes pressure over a wider area than a flange, preventing damage to your material's surface.
Also known as Sems screws, these screws have a permanently attached but freely rotating tooth lock washer that bites into the mating surface for vibration resistance.
These steel screws are zinc plated to resist corrosion in wet environments.
Made from 18-8 stainless steel, these screws are chemical resistant.
A free-rotating, permanently attached washer distributes holding pressure over a wider area than a flange and remains stationary to prevent scratching the material surface as you tighten the screw.
Able to penetrate overlapping sheets, these screws have a secure hold in wood.
Made from 410 stainless steel, these screws are strong, wear resistant, and mildly chemical resistant.
These steel screws are available with corrosion resistant finishes. A rubber-bonded washer compresses to form a watertight seal. They save you time and effort by drilling their own holes and fastening in a single operation.
These steel screws have a head encapsulated by 18-8 stainless steel.
These screws have a free-rotating, permanently attached washer that remains stationary while tightening to prevent bunching while attaching tarps and other fabric to metal.
18-8 stainless steel screws have good chemical resistance.
Cutting wings under the head allow plastic to expand and contract without cracking. A washer made from aluminum and rubber bonded to steel adds a watertight seal.