Questions & Answers
Steel grades of galvanized washers
Spring steels: 60S2A, 65G, 70, 60, 65.
Structural steels: 20, 10, 15, 08.
Carbon steels: St2, St1, St0, St3sp, St3ps, St3kp.
Galvanized washer standards
GOST Standards:
GOST 13463-77 — Lock Washers;
GOST 10906-78 — Wedge Washers;
GOST 6402-70 — Spring Washers;
GOST 9649-78 — Reduced Washers;
GOST 6958-78 — Extended Washers;
GOST 11371-78 — Flat Washers.
European Standards:
EN ISO 7094;
EN ISO 7093;
EN ISO 7089.
International Standards:
ISO 8752;
ISO 7094;
ISO 7093;
ISO 7092;
ISO 7091;
ISO 7090;
ISO 7089.
Table of galvanized washer weights
Weight table for galvanized washers (DIN 125)
| Size (thread) | Int. Ø, mm | Outer Ø, mm | Thickness, mm | Weight of 1000 pieces, kg |
| М3 | 3.2 | 7 | 0.5 | 0.1 |
| М4 | 4.3 | 9 | 0.8 | 0.3 |
| М5 | 5.3 | 10 | 1.0 | 0.5 |
| М6 | 6.4 | 12 | 1.6 | 1.1 |
| М8 | 8.4 | 16 | 1.6 | 2.1 |
| М10 | 10.5 | 20 | 2.0 | 3.8 |
| М12 | 13 | 24 | 2.5 | 6.9 |
| М14 | 15 | 28 | 2.5 | 9.0 |
| М16 | 17 | 30 | 3.0 | 11.5 |
| М18 | 19 | 34 | 3.0 | 15 |
| М20 | 21 | 37 | 3.0 | 17.5 |
| М22 | 23 | 39 | 3.0 | 20 |
| М24 | 25 | 44 | 4.0 | 32 |
Weight table for oversized washers (DIN 9021)
| Size | Int. Ø, mm | Outer Ø, mm | Thickness, mm | Weight of 1000 pieces, kg |
| М6 | 6.4 | 18 | 1.6 | 1.8 |
| М8 | 8.4 | 24 | 2.0 | 4.0 |
| М10 | 10.5 | 30 | 2.5 | 7.5 |
| М12 | 13 | 37 | 3.0 | 13.5 |
| М16 | 17 | 50 | 3.0 | 24 |
| М20 | 21 | 60 | 4.0 | 42 |
| М24 | 25 | 72 | 5.0 | 70 |