Guhring standard production taps are marked with colour rings to help you quickly and confidently choose the correct tool for your job. Each ring relates to the unique machining behaviours of different materials as dictated by their type and condition.

• Manufactured from HSS-E steel to DIN 371.
• Spiral flute for blind holes
• Blue ring
• To form C
• Size range M3 to M10
• TiN coated
• Tolerance to ISO 2/6H

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