M3 - M24 A2 Stainless Steel Hex Coupling Nut Long Stud Rod Right Hand Thread
M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24. A2 Stainless Steel Long Rod Coupling Hex Nut Stud Rod Right hand Thread. Also known as extension nuts, use them to connect and extend threaded rods.