M12X1.25mm 304 Stainless Steel Fine Thread Hex Acorn Cap Nuts Decorative Nut …
Size: M12X1.25mm. Fastener Type: Acorn, Hex. Drive Style: External Hex. Thread Size: M 12. Thread Type: Unified National Fine (Unf). Inside Thread Size: M12 x 1 25. Thread Style: Right Hand. Thread Class: Class 2A.