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3 Flute
3 flute countersink, made of high speed steel.
3 flute design for greater accuracy and less chatter than single flute countersinks.
Standard included angles available: 60°, 82° (standard for imperial, or "inch"-sized flat-head screws), 90° (standard for metric flat-head screws), 100°.
 Countersinks, 3 Flute, 60 Degree
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Countersinks, 3 Flute, 82 Degree
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Countersinks, 3 Flute, 90 Degree
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Countersinks, 3 Flute, 100 Degree
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Countersinks, 3 Flute, 120 Degree
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