1/4-20 x 6 DeWalt Bi-Flex Self-Drilling Screw | Hex Washer Head | Point | Carbon Steel | DFSEAJ680 (100/Pkg.)
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1/4-20 x 6 DeWalt Bi-Flex Self-Drilling Screw | Hex Washer Head | Point | Carbon Steel | DFSEAJ680 (100/Pkg.)

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1/4-20 x 2-1/2 DeWalt Bi-Flex Self-Drilling Screw | Hex Washer Head | Point Type 3 | Carbon Steel | DFSEAJ640 (1000/Pkg.)

DeWaltSKU: DFSEAJ640
Price:
$1,585.29per 1000( $1.59 each)
Pieces 1000
Thread size 1/4-20
Diameter 1/4
Length 2-1/2
Material Steel
Finish Steel
Head style Hex Washer
Point type Point Type 3
Threads per inch 20
Weight 13.89 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Industrial fasteners designed for metal-to-metal joining in commercial and heavy-industrial environments. The DeWalt Bi-Flex Self-Drilling Screw, Hex Washer Head, Point Type 3, constructed from carbon steel, delivers fast installation and secure seating in sheet metal and light structural assemblies.

Specs

  • Dimensions: Diameter 1/4, Length 2-1/2
  • Drive type: Hex
  • Material grade: Carbon Steel
  • Thread type: 1/4-20 UNC

Features

  • Self-drilling capability: Eliminates pre-drilling in sheet metal, enabling high-speed installation and consistent thread formation.
  • Bi-Flex design: Provides adaptability to slight thickness variations, reducing walk and stripping risk during assembly.
  • Hex Washer Head: Allows flush seating with enhanced load distribution and improved resistance to loosening under vibration.
  • Point Type 3: Sharpened tip geometry for controlled penetration and minimal wandering on metal surfaces.
  • Applications: Suitable for metal roofing, enclosure fabrication, electrical cabinets, HVAC duct joints, and machinery guards where fastener reliability and speed are critical.
  • Material compatibility: Carbon Steel base substrate provides strong shear strength and compatibility with common metal panels and structural members when used with appropriate protective coatings or environments.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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