This configuration is not available. Make another selection.
What is an A4 Stainless American Style Wing Screw?
American style wing screws are metric hand-tightened machine screws featuring straight wings designed for quick installation and removal without the need for tools.
Unlike DIN 316 German Style wing screws, which have rounded wings, the American Style features broader, straighter wings that provide a secure grip and greater leverage for tightening by hand.
Screw length is measured from underneath the head to the tip. Wing screws are intended for use with tapped holes or metric machine thread nuts where frequent adjustment or repeated assembly and disassembly is required. They are also known as American pattern wing screws, straight wing thumb screws, hand-tightened machine screws, butterfly screws, and wing head machine screws.
What material is an A4 Stainless American Style Wing Screw made from?
American style wing screws are manufactured from A4 stainless steel (SAE Type 316 stainless steel), commonly referred to as marine-grade stainless steel. A4 stainless steel provides exceptional resistance to corrosion, saltwater, chlorides, moisture, and many industrial chemicals, making it the preferred material for harsh outdoor, marine, and chemical environments.
The natural stainless finish offers outstanding durability while maintaining a clean, professional appearance with minimal maintenance. The precision-formed wings provide a comfortable grip for repeated tightening and loosening by hand without requiring tools, making these fasteners ideal for applications requiring regular access or adjustment.
Why choose an A4 Stainless American Style Wing Screw?
A4 stainless American style wing screws are ideal for applications requiring frequent manual adjustment, quick assembly, or tool-free access in corrosive environments. The straight-wing American pattern provides a large gripping surface for comfortable hand tightening and loosening, while the marine-grade A4 stainless steel delivers superior resistance to saltwater, chlorides, humidity, and harsh weather conditions compared to A2 stainless steel. These wing screws are an excellent choice wherever reliable, reusable fastening and maximum corrosion resistance are required.
Where are A4 Stainless American Style Wing Screws commonly used?
A4 stainless American Style wing screws are widely used in marine equipment, boats, sailboats, yachts, docks, marinas, boat lifts, dock boxes, marine electronics enclosures, navigation equipment, deck hardware, bimini tops, radar mounts, and other saltwater applications.
They are also commonly found in food processing equipment, pharmaceutical machinery, chemical processing plants, water treatment facilities, laboratory equipment, HVAC systems, automation equipment, machine guards, inspection covers, packaging machinery, renewable energy systems, agricultural equipment, architectural hardware, outdoor signage, and OEM manufacturing.
Included SKUs:
Special Order Product Policy
- Special Order Parts are Available ONLY in Box Quantities and are Not Returnable & Cannot be cancelled after confirmation.
- Free Domestic Shipping over $99 will be offered in your special order quote if applicable.
- For a full list of Special Order Policies: Please Click Here
