The UNF sizes includes 1/4 inch x 28tpi to 3/4 inch x 16tpi. The UNC size range includes No. 4 x 40tpi to No 12 x 24tpi and 1/4 inch x 20tpi to 3/4 inch x 10tpi. The UNS size range includes No. 4 x 36tpi to No. 14 x 20tpi. Life time warranty.
Part Number: kt12010