NFE 25511 Contact Washer
NFE 25511 Contact washers, conical type, knurling, made of spring steel, galvanized, M3-M20 from China lock washers manufacturer..
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NFE 25511, Contact Washer specification:
| Size | Type | d max | d min | dc max | dc min | h max | h min | H max | H min |
| M3 | N | 3.35 | 3.1 | 6.24 | 5.76 | 0.53 | 0.47 | 0.9 | 0.7 |
| M3 | M | 3.35 | 3.1 | 8.29 | 7.71 | 0.63 | 0.57 | 1 | 0.8 |
| M3 | L | 3.35 | 3.1 | 10.29 | 9.71 | 0.63 | 0.57 | 1.2 | 0.95 |
| M4 | N | 4.4 | 4.1 | 8.29 | 7.71 | 0.83 | 0.77 | 1.2 | 1 |
| M4 | M | 4.4 | 4.1 | 10.29 | 9.71 | 0.94 | 0.86 | 1.4 | 1.15 |
| M4 | L | 4.4 | 4.1 | 14.35 | 13.65 | 1.04 | 0.96 | 1.8 | 1.4 |
| M5 | N | 5.4 | 5.1 | 10.29 | 9.71 | 1.04 | 0.96 | 1.6 | 1.25 |
| M5 | M | 5.4 | 5.1 | 12.35 | 11.65 | 1.14 | 1.06 | 1.8 | 1.45 |
| M5 | L | 5.4 | 5.1 | 16.35 | 15.65 | 1.24 | 1.16 | 2.1 | 1.7 |
| M6 | N | 6.4 | 6.1 | 12.35 | 11.65 | 1.24 | 1.16 | 1.85 | 1.55 |
| M6 | M | 6.4 | 6.1 | 14.35 | 13.65 | 1.34 | 1.26 | 2.1 | 1.75 |
| M6 | L | 6.4 | 6.1 | 18.35 | 17.65 | 1.44 | 1.36 | 2.5 | 2.1 |
| M8 | N | 8.58 | 8.2 | 16.35 | 15.65 | 1.44 | 1.36 | 2.2 | 1.8 |
| M8 | M | 8.58 | 8.2 | 18.35 | 17.65 | 1.44 | 1.36 | 2.35 | 1.9 |
| M8 | L | 8.58 | 8.2 | 22.42 | 21.58 | 1.65 | 1.55 | 2.7 | 2.2 |
| M10 | N | 10.56 | 10.2 | 20.42 | 19.58 | 1.65 | 1.55 | 2.6 | 2.1 |
| M10 | M | 10.56 | 10.2 | 22.42 | 21.58 | 1.65 | 1.55 | 2.75 | 2.25 |
| M10 | L | 10.56 | 10.2 | 27.42 | 26.58 | 1.85 | 1.75 | 3.1 | 2.6 |
| M12 | N | 12.83 | 12.4 | 24.42 | 23.58 | 1.85 | 1.75 | 2.9 | 2.4 |
| M12 | M | 12.83 | 12.4 | 27.42 | 26.58 | 1.85 | 1.75 | 3.1 | 2.6 |
| M12 | L | 12.83 | 12.4 | 32.5 | 31.5 | 2.05 | 1.95 | 3.6 | 3.1 |
| M14 | M | 14.83 | 14.4 | 30.42 | 29.58 | 2.46 | 2.34 | 3.7 | 3.2 |
| M16 | M | 16.83 | 16.4 | 32.5 | 31.5 | 2.86 | 2.74 | 4.1 | 3.6 |
| M20 | M | 21.02 | 20.5 | 40.5 | 39.5 | 3.26 | 3.14 | 4.9 | 4.3 |
Related: DIN 25201 Nord-Lock Washer , DIN 9250 Safety lock washer ,