#1 X 6" Extra Long Combined Drill Bit and Countersink | HSS | 1/8" Round Shank | DEW1X6
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#1 X 6" Extra Long Combined Drill Bit and Countersink | HSS | 1/8" Round Shank | DEW1X6

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#4 X 4" Extra Long Combined Drill Bit and Countersink | HSS | 5/16" Round Shank | DEW4X4

Drill AmericaSKU: DEW4X4
Price:
$11.84per 1( $11.84 each)
Pieces 1
Measurement type Inch
Diameter 5/16"
Length 4"
Material High Speed Steel
Finish Uncoated (Bright)
Drill bit size 1/8"
Number of flutes 2
Shank Round
Shank size 5/16"
Size #4
Weight 2.98 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Industrial grade combined drill bit and countersink for professional metal fabrication. The integrated cutting geometry enables drilling and countersinking during a single operation, delivering consistent countersink diameter and angle for deep holes and through-holes.

Specs

  • Dimensions: Length 4 inch; Shank diameter 5/16 inch
  • Drive type: Round shank
  • Material grade: HSS

Features

  • Combined functionality: Drills and countersinks in a single operation, reducing setup time and ensuring flush countersink seating.
  • Material: HSS core provides wear resistance and suitability for drilling metal alloys, including steel and cast iron.
  • Extra long reach: 4 inch overall length enables access to recessed areas and deep pockets with maintained rigidity.
  • Shank compatibility: 5/16 inch round shank fits standard drill chucks and collet systems common in industrial equipment.
  • Integrated countersink geometry: Countersink profile designed to produce consistent seat angles and flush finishes on metal substrates.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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