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| STANRDARD | SIZE | GRADE | FINISH |
| ASNSI B 18-21.1 K13 | 1/8"---3" | PLAIN | |
| DIN 127 B,DIN 7980 | M3---M1000 | 8.8 | ZINC PLATED |
| DIN 6905,DIN128B | H.D.G | ||
| BS1802 | 1/8"---3" | 10.9 | BLACK |
| JIS-2 | M2---M100 | SHERADIZED | |
| AS | M2---M100 | MECHANICAL ZINC |
SPRING WASHER