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NSN 5305-01-646-0438

Tapping Screw

About this product

0.500 inches fastener length, hexagon extended washer head style, 0.312 inches width between flats, thready qty per inch (tpi): 16.

Manufacturer part number 31810 for national stock number 5305016460438.

Datasheet

  • Product description

    Self-drilling Screw NSN 5305-01-646-0438.

  • MPN or Model

    31810

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Direction
    Right-hand
  • Fastener Length
    0.500 inches
  • Head Style
    Hexagon extended washer
  • Width Between Flats
    0.312 inches
  • End Application
    F-15sa
  • Thready Qty Per Inch (tpi)
    16
  • Nonmachine Thread Style
    Wide flute (type h or bt)
  • Nonmachine Thread Diameter
    0.190 inches
  • Part Name Assigned By Controlling Agency
    Unslotted hex washer hd self drilling screw
  • Material
    Steel
  • Surface Treatment
    Zinc
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Self-drilling Screw

A hardened, externally-threaded fastener with a self-drilling point. It drills, taps and fastens and may have a machine screw thread or a nonmachine screw thread. The threads usually extend from behind the pilot to the bearing surface of the head.

Mechanic Bill explains Tapping Screw

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NSN 5305016460438

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
31810 Fastenal Company
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