NEN-EN-ISO 4757
Cross recesses for screws
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 September 1994 |
| Status: | active |
| Page Count: | 16 |
| ICS Code (Bolts, screws, studs): | 21.060.10 |
scope:
This standard defines two types of cross recesses for screws: - recess type H; - recess type Z. Included in this standard is a method of penetration gauging for both types.
Document History
NEN-EN-ISO 4757
September 1, 1994
Cross recesses for screws
This standard defines two types of cross recesses for screws: - recess type H; - recess type Z. Included in this standard is a method of penetration gauging for both types.