1/4"-20 X 4" DeWalt Dril-Flex Self-Drilling Screws | Hex Washer Head | Point Type 4 | Carbon Steel | DFSEAF910 (500/Pkg.)

Industrial fastening hardware for metal fabrication, equipment installation, and structural assembly. This specification sheet covers a 1/4-20 x 4 DeWalt Dril-Flex Self-Drilling Screw with an indented hex washer head, engineered for fast, secure joints in industrial environments.

Specs

• Diameter: 1/4 inch
• Length: 4 inch
• Thread type: 1/4-20 UNC
• Drive type: Indented hex washer
• Material grade: Carbon steel

Features

• Self-drilling design enables installation without pre-drilling, reducing cycle time in metal assemblies.
• Indented hex washer head provides flush seating, load distribution, and improved seating reliability in panel and enclosure installations.
• Point type: Type 4 geometry optimized for metal sheet penetration with controlled entry and drive torque.
• Thread compatibility: Standard 1/4-20 UNC thread supports common metal fastener systems and repair scenarios.
• Pack quantity: 500 per package for bulk industrial procurement.