Cutting Tools
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Shark Line Taps Reduce Axial Forces and Torque

Dormer Pramet’s Shark Line material-specific taps offer high performance and process security with a color ring coding on the shank which identifies material suitability.  

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Dormer Pramet’s Shark Line material-specific taps offer high performance and process security. They have a color ring coding on the shank which identifies material suitability.

According to the company, Yellow Shark is for structural, carbon and low alloy steels; Red Shark for alloy steels; Blue Shark for stainless steels; and White Shark for cast irons. Specifically developed for North America and marketed under the company's Dormer brand, the Shark Line is available in standard ANSI shank and square with DIN overall length, offering extra reach and compatibility with inch standard tap holding.

The taps' advanced geometry provides a significant reduction in axial forces and torque compared to conventional taps. This ensures problem-free threading of blind and through holes, the company says.

The spiral flute taps (Yellow, Red and Blue Shark) incorporate a special edge treatment to increase strength and reduce the chance of micro-chipping on the cutting edges. An internal coolant option (White Shark Form E taps) improves tool life, provides optimum chip evacuation when threading short chipping materials and is extremely beneficial in horizontal blind-hole machining.

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