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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.
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.
These steel screws are zinc plated to resist corrosion in wet environments.
Made from 18-8 stainless steel, these screws are chemical resistant.
Able to penetrate overlapping sheets, these screws have a secure hold in wood.
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.
Made from 410 stainless steel, these screws are strong, wear resistant, and mildly chemical resistant.
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.