Hex Socket Allen Socket Countersunk Flat Head Machine Screws Bolts, ISO 10642. M3, M4, M5, M6, M8, M10. ● Thread Specification: M3, M4, M5, M6, M8, M10. - M3 series is suitable for 2mm wrenches. A4 Stainless Steel, Length 4mm - 100mm.
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