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Plain washers for tapping screw and washer assemblies—type A

DIN 6903 (A) - 1990

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德标DIN 6903 (A) - 1990 DIN6903 6903DIN Plain washers for tapping screw and washer assemblies—type A

 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
For Nominal Thread Diameter
ST2.9 ST3.5 ST3.9 ST4.2 ST4.8 ST5.5 ST6.3 ST8
d min=nominal size
max
dc max=nominal size
min
h Nominal Size
max
min
per 1000 units ≈ kg
2.5 3 3.3 3.55 4 4.7 5.4 7.15
2.6 3.1 3.42 3.67 4.12 4.82 5.52 7.3
7 8 9 9 10 12 14 16
6.78 7.78 8.78 8.78 9.78 11.73 13.73 15.73
1 1 1 1 1 1.6 1.6 1.6
1.06 1.06 1.06 1.06 1.06 1.68 1.68 1.68
0.94 0.94 0.94 0.94 0.94 1.52 1.52 1.52
0.26 0.34 0.43 0.42 0.52 1.2 1.65 2.02
①,Material: Steel St2 K60 as specified in DIN 1624; Minimum hardness 180 HV10
note: The specifications for mechanical properties of washers relate to their as delivered condition and may change as the assembly is subjected to heat treatment. The C content of the steel shall not exceed 0.1%

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