1/4"-100 Degree 3 Flute Countersink | HSS | 3/16" Round Shank | DEWCSK1/4-100
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1/4"-100 Degree 3 Flute Countersink | HSS | 3/16" Round Shank | DEWCSK1/4-100

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1"-90 Degree 3 Flute Countersink | HSS | 1/2" Round Shank | DEWCSK1-90

Drill AmericaSKU: DEWCSK1-90
Price:
$27.29per 1( $27.29 each)
Pieces 1
Measurement type Inch
Diameter 1"
Length 3-1/2"
Material High Speed Steel
Finish Uncoated (Bright)
Number of flutes 3
Shank Round
Shank size 1/2"
Size 1"-90
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 countersinks designed for precision chamfering and screw seating in metalworking environments. These tools are optimized for machine shop use with standard shank interfaces and robust HSS construction.

Specs

  • Diameter: 1 inch
  • Included angle: 90 degrees
  • Flutes: 3
  • Shank size: 1/2 inch Round Shank
  • Material: HSS

Features

  • 3-flute design enables efficient chip clearance and smooth cutting in metalworking operations.
  • 90° countersink angle yields standard flush seating for screws and improves chamfer consistency.
  • High-Speed Steel (HSS) construction provides wear resistance suitable for typical machine shop speeds.
  • Round shank supports reliable clamping in drill chucks and toolholding systems.
  • Applications: Countersinking drilled holes in metal plates and components; deburring edges; preparing fastener seating surfaces for flush screw heads.

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

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