6-Flute HSS Chatterless Countersinks

108 products available - Order by EDP Number

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About 6-Flute HSS Chatterless Countersinks

The original Severance 6-flute chatterless design in premium M2 high-speed steel. Unequal flute spacing breaks up harmonics for smooth, chatter-free countersinking. Available in 60°, 82°, 90°, 100°, 110°, and 120° included angles from 1/8" to 3" body diameter.

Made in premium M2 High-Speed Steel. Carbide versions are on the 6-flute carbide page.

Ordering Tip

All tools are ordered by their EDP Number (Electronic Data Processing). Find your tool in the table below and use the EDP number when placing orders with your distributor.

6-Flute HSS Chatterless Countersink

Quick Facts

  • 108 products in this group
  • Made in Saginaw, Michigan
  • Precision ground to exacting tolerances
  • Available through authorized distributors
  • Resharpenable for extended life
Download Full Catalog (PDF)

Available Products

All EDP numbers listed below. Request a quote for any EDP, or find a stocking distributor.

6-Flute HSS Chatterless Countersinks

Body Dia. Shank Dia. OAL Shank Length Tool Name 60° EDP 82° EDP 90° EDP 100° EDP 110° EDP 120° EDP
1/8"1/8"1-5/8"1-5/8"CK-1/8023700239002410024300245002470
3/16"3/16"1-1/2"1-1/2"CK-3/16023710239102411024310245102471
1/4"3/16"1-1/2"3/4"CK-1/4023720239202412024320245202472
5/16"1/4"1-3/4"7/8"CK-5/16023730239302413024330245302473
3/8"1/4"1-3/4"7/8"CK-3/8023740239402414024340245402474
1/2"3/8"2-1/8"1-1/8"CK-1/2023750239502415024350245502475
1/2"1/4"2-1/8"1-1/8"CK-1/2-1/4023760239602416024360245602476
5/8"3/8"2-3/8"1-1/8"CK-5/8023770239702417024370245702477
5/8"1/4"2-3/8"1-1/8"CK-5/8-1/4023780239802418024380245802478
3/4"1/2"2-11/16"1-5/16"CK-3/4023790239902419024390245902479
7/8"1/2"2-13/16"1-5/16"CK-7/8023800240002420024400246002480
1"1/2"2-13/16"1-5/16"CK-1023810240102421024410246102481
1-1/4"3/4"3-3/8"1-5/8"CK-1-1/4023820240202422024420246202482
1-1/2"3/4"3-1/2"1-5/8"CK-1-1/2023830240302423024430246302483
1-3/4"1"4-1/4"2-1/8"CK-1-3/4023840240402424024440246402484
2"1"4-3/8"2-1/8"CK-2023850240502425024450246502485
2-1/2"1"4-3/4"2-1/8"CK-2-1/2023860240602426024460246602486
3"1"5"2-1/8"CK-3023870240702427024470246702487

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