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Certified 3/8"-90 Degree 3 Flute Countersink HSS 1/4" Round Shank DEWCSK3/8-90
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Certified 3/8″-90 Degree 3 Flute Countersink HSS 1/4″ Round Shank DEWCSK3/8-90

Original price was: $6.04.Current price is: $3.14.

For orders under $150.00, a shipping fee of $12.99 applies.

SKU: SKHWTA01O21 Category: Tag:
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Industrial countersinks manufactured in High-Speed Steel for precision countersinking in metalworking and fabrication. This 3/8″ diameter countersink features a 90° angle, 3 flutes, and a 1/4″ round shank designed for compatibility with standard milling holders and CNC collets.

Specs

    Diameter: 3/8″

    Countersink angle: 90°

    Flutes: 3

    Shank: 1/4″ round

    Drive type: Round shank

    Material grade: HSS

Features

    Three-flute design: Improves chip evacuation and provides a cleaner finish in metal and plastic during countersinking operations.

    90° countersink angle: Enables flush seating for standard flat-head screws and consistent countersink depth.

    Material: High-Speed Steel (HSS) offers hardness and heat resistance for repeated tool life at typical machining speeds.

    Shank interface: 1/4″ round shank provides compatibility with common milling and CNC tool holders, ensuring secure grip and minimizing runout.

    Applications: Suitable for creating flush countersinks in sheet metal, aluminum components, and plastic enclosures used in industrial equipment and assembly lines.

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