1/4"-20 x 2-1/2" Trilobe Thread Forming Screws for Metal/Slotted/Hex Washer Head/Steel/Zinc (100 pcs)

★★★★★ 4.2 115 reviews

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Product details

Management number 211231333 Release Date 2026/04/04 List Price $42.40 Model Number 211231333
Category

1/4"-20 x 2-1/2" Trilobe Thread Forming Screws for Metal / Slotted / Hex Washer Head / Steel / Zinc: Introducing our high-quality 1/4"-20 x 2-1/2" Trilobe Thread Forming Screws for Metal. Made from durable steel and coated with zinc for enhanced corrosion resistance, these screws are designed to meet the demands of various metal applications. Featuring a slotted drive and a convenient hex washer head, these screws provide strong and reliable fastening. The slotted drive allows for easy installation with a standard screwdriver, while the hex washer head design offers increased torque for a secure connection. With a 1/4"-20 thread size and a length of 2-1/2", these screws are perfect for a wide range of metal projects. Whether you're working on machinery, automotive repairs, or general construction, these screws are sure to meet your needs. The trilobe thread-forming design of these screws ensures superior holding power and exceptional resistance to vibrations. By creating its own thread as it is driven into the metal, this unique thread-forming feature provides a stronger and more reliable connection compared to traditional screws. Invest in the reliability and durability of our 1/4"-20 x 2-1/2" Trilobe Thread Forming Screws for Metal. With their slotted drive, hex washer head, steel construction, and zinc coating, these screws are engineered to deliver outstanding performance in metal applications.

  • Thread rolling screws for metals. self-tapping screw designed to create their own internal thread when driven into a hole. These screws have a unique thread design that allows them to cut and form threads as they are installed, which helps in securing them tightly into various materials like metal, plastic, or composites.
  • HEX WASHER SLOTTED : HEADS TO ASME B18.6.3 DIMENSIONS
  • Triangular Cross-Section: The threads have a triangular cross-section that helps in reducing the driving torque and increasing the holding strength.
  • Thread Forming: Instead of removing material to create threads, these screws displace the material, which increases the strength of the connection.
  • Applications: Commonly used in automotive, electronics, and machinery industries due to their ability to provide strong, reliable connections without the need for pre-threaded holes or additional fastening components.
Brand Ecom Fasteners
Color Silver
Head Type Hex Washer
Size Name 1/4"-20 x 2-1/2"
Unit Count 100.0 Count
Part Number E280020-100
Drive System External Hex/Slotted
Manufacturer Ecom Fasteners
Thread Style Right Hand
Fastener Size 1/4"-20 x 2-1/2"
Material Type Alloy Steel
Exterior Finish Zinc
Screw Head Style Flanged

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