Suitable for M3 M4 M5 M6 M8 M10 threads. M8 (ID=8.2mm, OD(D)=15mm), lengths(H) : 3mm, 5mm, 10mm, 15mm, 20mm, 25mm, 30mm. M4 (ID=4.2mm, OD(D)=8mm), lengths (H) : 3mm, 5mm, 10mm, 15mm, 20mm, 25mm, 30mm.
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