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Ships from Sydney - 1/4-20 x 2.5 in. Thread Forming Screw Hex Washer Head
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Ships from Sydney - 1/4-20 x 2.5 in. Thread Forming Screw Hex Washer Head

Ships from Sydney - 1/4-20 x 2.5 in. Thread Forming Screw Hex Washer Head

$0.56

Original: $1.60

-65%
Ships from Sydney - 1/4-20 x 2.5 in. Thread Forming Screw Hex Washer Head—

$1.60

$0.56

The Story

  • Description
  • 2.5 in. long thread rolling (thread forming) screw

    The Hex Washer Head has a flat washer that extends beyond the sides, providing it with a greater bearing surface than a normal hex head fastener. The washer and the Hex Head are bonded together as one piece; this offers greater protection to the mating surface than a standard hex head. The increased bearing area decreases the likeliness of crushing mating surfaces. Trilobe, or Thread Rolling, screws have a blunt tapered point that requires a pre-drilled or punched hole; eliminates chips and permits replacement with standard screw. Zinc plating, retards the corrosion rate in a normal atmosphere.

Description

  • Description
  • 2.5 in. long thread rolling (thread forming) screw

    The Hex Washer Head has a flat washer that extends beyond the sides, providing it with a greater bearing surface than a normal hex head fastener. The washer and the Hex Head are bonded together as one piece; this offers greater protection to the mating surface than a standard hex head. The increased bearing area decreases the likeliness of crushing mating surfaces. Trilobe, or Thread Rolling, screws have a blunt tapered point that requires a pre-drilled or punched hole; eliminates chips and permits replacement with standard screw. Zinc plating, retards the corrosion rate in a normal atmosphere.