Precise H.S.S. Semi Bottoming Spiral Fluted Tap, 1/4″-20 Thread Size, H3 Thread Limit

• H.S.S. – High Speed Steel
• Hardness: 58 to 60 RC
• Spiral flute effectively draws chips out of the hole, toward the shank
• For tapping blind holes and difficult material.
• Recommended for stringy material such as aluminum, brass, copper, etc.
• Size Type: ANSI
• Helix Angle & Style: 52 High Helix
• Cutting Direction: Right Hand
• Chamfer Style: Modified/Semi Bottoming
• Workpiece Material Range: Non-Ferrous, Plastics

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