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Countersinks
Available138 products
Countersinks expand the top of an existing hole in a workpiece to ensure screws install flush with the surface of the workpiece. This helps prevent the workpiece material from swelling when a screw is installed in the hole and tightened down in metalworking applications. Countersinks can also be used to debur holes for a smooth finish.
Number of Flutes
General Purpose High-Speed Steel 4-Flute Countersinks
High-speed steel countersinks offer good wear resistance in a wide range of countersinking applications. General purpose 4-flute countersinks expand the top of an existing hole in a workpiece to ensure screws install flush with the surface of the workpiece. Four-flute countersinks typically provide more wear resistance than countersinks with fewer flutes.
60 ° Included Angle
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82 ° Included Angle
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90 ° Included Angle
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100 ° Included Angle
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High-Speed Steel 4-Flute Machine Countersinks
High-speed steel countersinks provide good wear resistance in a wide range of countersinking applications. Also known as machine countersinks, 4-flute countersinks have a long shaft that allows them to be used in lathes, screw machines, and CNC machines. They expand the top of an existing hole in a workpiece to ensure screws install flush with the surface of the workpiece. 4-flute countersinks typically provide more wear resistance than countersinks with fewer flutes.
60 ° Included Angle
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82 ° Included Angle
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90 ° Included Angle
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General Purpose Cobalt Steel 4-Flute Countersinks
Cobalt steel countersinks are harder than high-speed steel countersinks and provide good wear resistance when machining hard materials at high speeds. General purpose 4-flute countersinks expand the top of an existing hole in a workpiece to ensure screws install flush with the surface of the workpiece. Four-flute countersinks typically provide more wear resistance than countersinks with fewer flutes.
60 ° Included Angle
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82 ° Included Angle
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90 ° Included Angle
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Cobalt Steel 4-Flute Machine Countersinks
Cobalt steel countersinks are harder than high-speed steel countersinks and provide good wear resistance when machining hard materials at high speeds. Also known as machine countersinks, 4-flute countersinks have a long shaft that allows them to be used in lathes, screw machines, and CNC machines. They expand the top of an existing hole in a workpiece to ensure screws install flush with the surface of the workpiece. 4-flute countersinks typically provide more wear resistance than countersinks with fewer flutes.
60 ° Included Angle
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82 ° Included Angle
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90 ° Included Angle
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General Purpose Carbide 4-Flute Countersinks
Solid carbide countersinks provide excellent wear resistance when machining the toughest materials, such as cast iron and stainless steel. General purpose 4-flute countersinks expand the top of an existing hole in a workpiece to ensure screws install flush with the surface of the workpiece. Four-flute countersinks typically provide more wear resistance than countersinks with fewer flutes.
60 ° Included Angle
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82 ° Included Angle
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90 ° Included Angle
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100 ° Included Angle
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120 ° Included Angle
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