Instant Buy 1/4″-20 X 3″ DeWalt Bi-Flex Self-Drilling Screws Hex Washer Head Point Type 5 Carbon Steel DFSEAJ630 (500/Pkg.)

Industrial fastener engineered for metal fabrication and assembly in demanding environments. The DeWalt Bi-Flex Self-Drilling Screw delivers reliable self-drilling performance with a hex washer head and Point Type 5 for consistent penetration into metal substrates.

Specs

Dimensions: Diameter 1/4 inch; Length 3 inches

Drive type: Hex

Material grade: Carbon Steel

Thread type: 1/4-20 UNC

Features

Self-drilling capability: Drills its own path into metal, eliminating pre-drilling for compatible thickness ranges.

Bi-Flex drill point: Proprietary point design that maintains alignment and reduces insertion torque across variable metal thickness.

Point Type 5: Optimized point geometry for easier penetration and reduced driving effort in metal sheets and formed profiles.

Hex Washer Head: Provides flush seating and even load distribution, with built-in sealing washer performance for hardware assemblies.

Material compatibility: Made from carbon steel, suitable for general industrial fastener applications; can be used with standard coatings and galvanic pairs as appropriate.

Packaging: 500 per package, enabling bulk procurement and consistent project planning.

Applications: Ideal for industrial metal fabrications including enclosures, panels, racking, HVAC duct components, and light structural framing; suitable for quick assembly in assembly lines and field installations.