SATO RACING Store › Nut M5 [NUT-5] Image 1 of 1 Nut M5 [NUT-5] $1.50 Plain Nut M5 / Nut M5 (part# NUT-5) is a stainless steel M5-size nut, right-hand threaded, with standard thickness. Get notified by email when this item is in stock again. Quantity: Add To Cart Added! Plain Nut M5 / Nut M5 (part# NUT-5) is a stainless steel M5-size nut, right-hand threaded, with standard thickness.