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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7/8"-100 Degree 3 Flute Countersink | HSS | 1/2" Round Shank | DEWCSK7/8-100

Drill AmericaSKU: DEWCSK7/8-100
Price:
$24.18per 1( $24.18 each)
Pieces 1
Measurement type Inch
Diameter 7/8"
Length 2-3/4"
Material High Speed Steel
Finish Uncoated (Bright)
Number of flutes 3
Shank Round
Shank size 1/2"
Size 7/8"-100
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 countersink designed for professional machining and assembly workflows. This precision tool delivers consistent flush countersinking for flat-head fasteners in metalworking and manufacturing environments.

Specs

  • Diameter: 7/8 inch
  • Angle: 100°
  • Flutes: 3
  • Shank: Round, 1/2 inch
  • Material: High-Speed Steel (HSS)

Features

  • 3-flute design: Efficient chip clearance and smoother edge break for clean countersinks.
  • 100° included angle: Optimized seating for standard flat-head fasteners, reducing over-penetration.
  • High-Speed Steel (HSS) construction: Wear resistance and heat tolerance suitable for metalworking and mixed-material applications.
  • Round shank: 1/2 inch diameter enables compatibility with common drill chucks, CNC spindles, and countersink holders.
  • Applications: Fabrication, machine maintenance, and assembly operations requiring flush seating of flat-head screws in steel, aluminum, and plastics.

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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