5x Twist Drill Bits. Thread Inserts Size: M5x0.8x6.7 mm, M6x1.0x8.0 mm, M8x1.25x10.8 mm, M10x1.5x13.5 mm, M12x1.75x16.3 mm. 110x Wire Thread Inserts. – Heat-treated steel tools (HRC 50-60) + 304 stainless inserts for maximum lifespan.
131 Pcs Thread Repair Insert Kit Metric M5 M6 M8 M10 M12 Helicoil Pro Coil Tool
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