These countersinks are designed for use in portable operations and drill presses. Three flute cutting assures fast clean cutting of most materials. Wider flutes and special clearance allow chips to clear, helping to eliminate build-up. Greater tool life and cutting efficiency are good reasons to use 503 countersinks.
When your job calls for countersinking difficult materials, the 503—CO countersink is the tool you need. Special construction of these super cobalt countersinks offers greater cutting efficiency at the reduced cutting speeds required for difficult materials. Because these countersinks are suitable for all materials, they may well be the only ones you’ll ever need.
Standard angles include 82° – 90° – 100° – 110° – 120° Special angles on request..
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