Reverse Left Hand Thread M4-M16 Stainless Steel Hex Nylon Insert Self Lock Nut

12mm(M12) / 14mm(M14) / 16mm(M16). 1.75mm(M12) / 2mm(M14) / 2mm(M16). It may also be left at local. Thread pitch0.7mm(M4) / 0.8mm(M5) / 1.0mm(M6) / 1.25mm(M8) / 1.5mm(M10). 304 (A2-70) stainless steel.

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