US/SG SizeUK SizeEU SizesInchesMilimeters
4N/AN/A8 5/8221
5N/AN/A9229
6N/AN/A9 3/8238
7639-409 5/8246
8741-4210255
9842-4310 3/8263
10943-4410 5/8272
111045-4611280
121146-4711 3/8288
131248-4911 5/8297
14N/AN/A12305
15N/AN/A12 3/8314
16N/AN/A12 5/8323
17N/AN/A13331