Inserti filo elicottero UNC 1/4"" 5/16"" 3/8"" 1/2"" inserimento filo riparazione filo 304SS

Item Helicoil Insert. Internal Thread Size 1/4-20, 5/16-18, 3/8-16, 1/2-13. Thread Type BSW. Thread Direction Right Hand. Material 304 Stainless Steel.

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