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#12-14 x 1" Hex Washer Head Drilflex TEK Screw (Must Order in Quantities of 4,000)

Mfg#: 654AF641
Product#: 654AF641
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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
  • Higher hardness (HRC 52 min) point and lead threads
  • Can be used in applications with dissimilar materials
  • Lower-hardness (HRC 28 – 34) load-bearing threads
  • Eliminates separate drilling and tapping operations
  • Corrosion resistance superior to zinc or cadmium based finishes
  • Provides the same high resistance to hydrogen-assisted failure as a Grade 5 fastener
  • Ensures consistent, reliable drilling and tapping


  • Finish: Stalgard
  • Thread Type: Self-Tapping
  • Color: Silver
  • Point Type: Tek
  • Standards: ASTM Specified, ICBO Evaluation
  • Screw Size: NO 12-14 in
  • Length Under Head: 1 in
  • Head Style: Hexagonal Washer
  • Material: Carbon Steel
  • Material Specification: ASTM B117
  • Special Features: 0.187 in Drilling Capacity
  • Usage: For Metal Panels to Steel Structural's