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Metric Internal Tooth Lock Washer [Table 4] (SAE J403, J405, ASTM B591)

ASME B 18.21.2M - 1999 (R2014)

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美标ASME B18.21.2M - 1999 (R2014) ASME18.2 Metric Internal Tooth Lock Washer [Table 4] (SAE J403, J405, ASTM B591)
Nominal Diameter
2.2 2.5 2.9 3 3.5 4 4.2 4.8 5 5.5 6
d max
min
dc max
min
t max
min
2.40 2.80 3.12 3.30 3.80 4.30 4.47 5.18 5.30 5.87 6.50
2.25 2.65 2.92 3.15 3.65 4.15 4.27 4.95 5.15 5.61 6.20
4.70 5.85 6.75 7.35 8.05 8.75 8.75 9.70 10.50 10.50 12.95
4.40 5.45 6.25 6.85 7.55 8.25 8.25 9.20 10.00 10.00 12.20
0.35 0.35 0.45 0.50 0.55 0.60 0.60 0.65 0.70 0.70 0.70
0.25 0.25 0.30 0.35 0.40 0.45 0.45 0.50 0.55 0.55 0.55
Nominal Diameter
6.3 8 9.5 10 12 14 16 20 24 30
d max
min
dc max
min
t max
min
6.80 8.50 10.11 10.60 12.70 14.80 17.00 21.20 25.30 31.40
6.50 8.20 9.75 10.20 12.30 14.30 16.40 20.50 24.50 30.60
12.95 15.50 17.60 17.60 20.25 22.90 27.20 32.00 35.30 46.30
12.20 14.75 16.85 16.85 19.50 21.90 26.20 31.00 34.50 45.10
0.70 0.85 1.00 1.00 1.00 1.15 1.25 1.40 1.50 1.70
0.55 0.70 0.80 0.80 0.80 0.95 1.05 1.20 1.30 1.50
①,Nominal washer sizes are intended for comparable nominal screw, bolt or nut sizes. The marked washers are suited for used with spaced thread tapping screw Types AB, B, BF and BT.

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