The tt-03 precision tap set is manufactured by Engineer Inc. - a long established & highly regarded Japanese tool manufacturer. This tapping set contains the following taps ... M2 (pitch = 0.4mm), M3 (pitch = 0.5mm), M4 (pitch = 0.7mm) & M5 (pitch = 0.8mm) & also a tap wrench handle (the handle accepts up to M6 size taps)
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