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1/4-20x2.5 Thread Rolling Screw (am-1222)

 
Price: $1.00

Stock Status: In Stock
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Product Overview:
2.5 inch 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.

Specifications:
  • Material: steel
  • Length: 2.5 inch
  • Thread size: 1/4-20
  • Type: Thread rolling screw, Trilobe
  • Weight: 0.03 pound
  • Finish: Zinc
  • Drive: Hex - unslotted, 3/8" wide across flats
  • Optimal hole size for thread forming: 0.23 inch diameter
  • Weight: 0.034 pounds

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