Unit:
毫米(mm) |
| ①,M16 and smaller nuts shall have a chamfered bearing surface. M20 and larger nuts, at the manufacturer's option, shall either have a chamfered or a washer faced bearing surface. ②,M10 nuts with 15 mm width across flats are currently being produced and used in U.S.A. and many other countries of the world. This size, however, is not an ISO standard. Unless M10 nuts with 15 mm width across flats are specifically ordered, M10 nuts with 16 mm width across flats shall be furnished. |
