DIN 7989 - Washers for steel constructions
Current norm: DIN 7989-2
Equivalent norms: CSN 021708;
Current norm: DIN 7989-2
| Company | City | Country | Company profile |
|---|---|---|---|
| TOP Kaleliler Fasteners | ANKARA | Turkey | See Detail |
| TOP LUSAVOUGA - Hardware and Tools | Cacia | Portugal | See Detail |
| TOP Jiaxing Haina Fastener Co.,Limited | JIAXING | China | See Detail |
| TOP Shanghai Tengri Metal Products Co., Ltd | Shanghai | China | See Detail |
| TOP Ferrobend | Mumbai | India | See Detail |
| TOP GC PRECISION | Ghaziabad | India | See Detail |
| Harrison & Clough Ltd | Keighley | United Kingdom | |
| Industrial Campollano Ferretería, S.L. | Albacete | Spain | |
| Emile Maurin | TOULOUSE | France | |
| TEKNOVITI, Srl | ROMA (RM) | Italy |
Legend:
d1 - Inner diameter
d2 - Outer diameter
s - Washer width
Makings:
Steel: 100-250HV
Stainless: A2, A4
Plastic: -
Non Ferrous: -
Thread: -
Notes:
-
Table according to DIN 7989:
dimensions in mm
| for Thread | M10 | M12 | M16 | M20 | M24 | M27 | M30 |
| d1 min. | 11 | 13,5 | 17,5 | 22 | 26 | 30 | 33 |
| d1 max. | 11,43 | 13,93 | 17,93 | 22,52 | 26,52 | 30,52 | 33,62 |
| d2 min. | 20 | 24 | 30 | 37 | 44 | 50 | 56 |
| d2 max. | 19,16 | 23,16 | 29,16 | 36 | 43 | 49 | 54,8 |
| S ±1 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Weight kg/1000pcs | 13,8 | 19,4 | 29,3 | 42,7 | 62,1 | 78,9 | 101 |
| Product | Date | Country | Detail |
|---|---|---|---|
| DIN 7989 M10 A2 | 2022-02-24 15:59:47 | Czech Republic | See Detail |
| DIN 7989 washers for steel construction | 2021-08-05 10:49:55 | Germany | See Detail |