Tap For Coarse Thread Machine complies with GB/T 3464‑83 standard. Square‑shank machine‑tap design, specially for machining coarse‑pitch metric internal threads on machine tools.
‑ GB/T 3464‑83
1. Square shank: Designed for machine‑tool clamping, suitable for high‑efficiency machine tapping.
2. Metric coarse thread: Conforms to GB/T 3464‑83, for M‑series coarse‑tooth internal thread processing.
3. Optimized flute design: Good chip removal performance for steel workpiece machining.
4. Complete size range: Covers M8‑M42, meet diverse metric coarse‑thread machining requirements.



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