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Counterbore for #4 Fillister Screw HSS

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Product details

Management number 228697655 Release Date 2026/05/31 List Price US$6.42 Model Number 228697655
Category

Use these counter bores create a flat bottomed hole. These special drill bits have a pilot that fits into the already drilled hole. The flutes will widen the hole and create a flat bottom. This flat bottom allows you to have your fastener flush with the surface. These counter bores are designed fillister screws but they should work with your Socket Head screws. You should verify the diameter to make sure. The data for these Counterbores #size pilot dia cut dia #2 .085" .155" #4 .111" .198" #8 .163" .285"

  • This is for fillister head screws
  • One piece construction
  • For #4 Screw
  • High Speed Steel
ASIN B07JKFB7W7
Item Weight 0.96 ounces
Manufacturer Michigan Drill
Is Discontinued By Manufacturer No

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