Small Brass insignia Screw Back Nut 60 threads per inch x 3/8"w lot of 4 E2791

brand new made in USA. Insignia screw back nuts lot of 4  pieces. 60 threads per in .061"/1.5mm dia hole. The screw nut measures 3/8" wide x 2mm tall. Made for small screws on the back of insignia, wings, tie tacks and small Jewelry items etc. Please verify the size you need before ordering with a caliper.