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1/4"-14 x 1" Hex Washer Head Dril-Flex TEK Screw (Must Order in Quantities of 3,000)

Mfg#: 654AF816
Product#: 654AF816
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Dril-Flex® fasteners are specially designed and processed to help prevent hydrogen-induced brittle failures. Each fastener undergoes a unique dual-hardening process to ensure the optimal combination of ductility and hardness required for maximum performance in the field. Testing of this product, in accordance with ASTM standards, has proven that Dril-Flex fasteners provide the same resistance to hydrogen-assisted cracking (HAC) as a Grade 5 fastener


  • Complies with Buy America Act
  • Lower-hardness (HRC 28 – 34) load-bearing threads
  • Corrosion resistance superior to zinc or cadmium based finishes
  • Ensures consistent, reliable drilling and tapping
  • Higher hardness (HRC 52 min) point and lead threads
  • Can be used in applications with dissimilar materials
  • Provides the same high resistance to hydrogen-assisted failure as a Grade 5 fastener
  • Eliminates separate drilling and tapping operations


  • Length Under Head: 1 in
  • Point Type: Tek
  • Material: Carbon Steel
  • Screw Size: 0.25-14 in
  • Color: Silver
  • Standards: ASTM Specified, ICBO Evaluation
  • Finish: Stalgard
  • Head Style: Hexagonal Washer
  • Thread Type: Self-Tapping
  • Material Specification: ASTM B117
  • Special Features: 0.210 in Drilling Capacity
  • Usage: For Metal Panels to Steel Structural's