Rushmore USA 4 Flute H.S.S. Standard Plug Hand Tap, 1/4″-28 Tap Size, .255″ Shank Diameter, H3 Thread Limit, 2.5″ Overall Length

• H.S.S. – High Speed Steel
• Bright finish
• Ground Thread
• Helix Angle & Style: 0
• Plug style used when one tap is used for the complete operation.
• For cutting standard screw threads.
• For hand threading applications.
• Frequently used for machine tapping operations.
• Well suited for use in a variety of ferrous and non-ferrous materials.
• Straight flute, right hand cut, with square drive shanks.
• Workpiece Material Range: Steel, Non-Ferrous, Cast Iron, Plastics

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