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5/16" Super Primalloy® Countersink

5/16" Super Primalloy® Countersink

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Item Number: 824371
Package Weight: 0 lbs
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Product Details

  • HIGH PERFORMANCE COUNTERSINKS - Quickly forms 82° countersinks that allow flat headed fasteners to mount flush to the work surface.
  • SIX FLUTE DESIGN - Chatterless six flute design reduces vibration.
    Provides more cutting edges than countersinks with fewer flutes for longer service life.
    Forms uniform countersinks that allow full engagement with fasteners.
  • INDUSTRY STANDARD 82° ANGLE - 82° countersinks create the ideal hole profile for the most common flat head fasteners.
  • FERRO-GOLD AND BLACK OXIDE FINISH - Provides smoother drilling, cutting and superior chip flow while reducing cutting friction binding in the hole.
  • FIVE-PIECE SET - Includes 5/16", 3/8", 1/2", 5/8" and 3/4" diameters packaged in a clear and durable composite tool case.
  • MADE IN THE U.S.A.

Product Specification

Alt Hyphen Number:  82-4371
Brand:  Super Primalloy®
End Style:  Single End
Finish:  Black Oxide, Ferro Gold
Head Diameter:  5/16"
Material:  High Speed Steel
Number of Flutes:  6
Screw Size:  #4 - #6
Style:  6-Flute
Subcategory:  Countersinks

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