ANSI/ASME B 18.22M - 1981 (R2000) Dimensions Of Metric Plain Washers (General Purpose)


Unit: mm
Screw Thread
d
Φ1.6 Φ1.6 Φ1.6 Φ2 Φ2 Φ2 Φ2.5 Φ2.5 Φ2.5 Φ3 Φ3 Φ3 Φ3.5
Series
d1 max
min
dc max
min
h max
min
W N R W R N N R W W N R W
2.09 2.09 2.09 2.64 2.64 2.64 3.14 3.14 3.14 3.68 3.68 3.68 4.18
1.95 1.95 1.95 2.50 2.50 2.50 3.00 3.00 3.00 3.50 3.50 3.50 4.00
6.00 4.00 5.00 8.00 6.00 5.00 6.00 8.00 10.00 12.00 7.00 10.00 15.00
5.70 3.70 4.70 7.64 5.10 4.70 5.70 7.64 9.64 11.57 6.64 9.64 14.57
0.90 0.70 0.70 0.90 0.90 0.90 0.90 0.90 1.20 1.40 0.90 1.20 1.15
0.60 0.50 0.50 0.60 0.60 0.60 0.60 0.60 0.80 1.00 0.60 0.80 1.20
Screw Thread
d
Φ3.5 Φ3.5 Φ4 Φ4 Φ4 Φ5 Φ5 Φ5 Φ6 Φ6 Φ6 Φ8 Φ8
Series
d1 max
min
dc max
min
h max
min
R N N W R W N R N R W N W
4.18 4.18 4.88 4.88 4.88 5.78 5.78 5.78 6.87 6.87 6.87 9.12 9.12
4.00 4.00 4.70 4.70 4.70 5.60 5.60 5.60 6.65 6.65 6.65 8.90 8.90
10.00 9.00 10.00 16.00 12.00 20.00 11.00 15.00 13.00 18.80 25.40 18.80 32.00
9.64 8.64 9.64 15.57 11.57 19.48 10.57 14.57 12.57 18.28 24.88 18.28 31.38
1.40 1.20 1.20 2.30 1.40 2.30 1.40 1.75 1.75 1.75 2.30 2.30 2.80
1.00 0.80 0.80 1.60 1.00 1.60 1.00 1.20 1.20 1.20 1.60 1.60 2.00
Screw Thread
d
Φ8 Φ10 Φ10 Φ10 Φ12 Φ12 Φ12 Φ14 Φ14 Φ14 Φ16 Φ16 Φ16
Series
d1 max
min
dc max
min
h max
min
R N W R N R W W R N W N R
9.12 11.12 11.12 11.12 13.57 13.57 13.57 15.52 15.52 15.52 17.68 17.52 17.52
8.90 10.85 10.85 10.85 13.30 13.30 13.30 15.25 15.25 15.25 17.25 17.25 17.25
25.40 20.00 39.00 28.00 25.40 34.00 44.00 50.00 39.00 28.00 56.00 32.00 44.00
24.88 19.48 38.38 27.48 24.88 33.38 43.38 49.38 38.38 27.48 54.80 31.38 43.38
2.30 2.30 3.50 2.80 2.80 3.50 3.50 4.00 3.50 2.80 4.60 3.50 4.00
1.60 1.60 2.50 2.00 2.00 2.50 2.50 3.00 2.50 2.00 3.50 2.50 3.00
Screw Thread
d
Φ20 Φ20 Φ20 Φ24 Φ24 Φ24 Φ30 Φ30 Φ30 Φ36 Φ36 Φ36
Series
d1 max
min
dc max
min
h max
min
N W R R N W R N W R N W
22.13 22.32 22.32 26.12 26.12 26.12 33.02 33.02 33.02 38.92 38.92 38.92
21.80 21.80 21.80 25.60 25.60 25.60 32.40 32.40 32.40 38.30 38.30 38.30
39.00 66.00 50.00 56.00 44.00 72.00 72.00 56.00 90.00 90.00 66.00 110.00
38.38 64.80 49.00 54.80 43.00 70.80 70.80 54.80 88.60 88.60 64.80 108.60
4.00 5.10 4.60 5.10 4.60 5.60 5.60 5.10 6.40 6.40 5.60 8.50
3.00 4.00 3.50 4.00 3.50 4.50 4.50 4.00 5.00 5.00 4.50 7.00
①,N:Narrow
R:Regular
W:Wide
Suppliers
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1
China Mainland Pinghu Kangchengda Fastener Co., Ltd.
Mr.He
Mobile Phone: +86-13806722843 Telephone: +86-573-85636788/85636789
Material: plain or medium carbon steel, stainless steel, copper; Specification: φ1.6-φ36; Surface treatment: zinc plated, black, phosphating, dacromet, hot-dip galvanizing
Contact us via Email
2
A. Lyons & Co., Inc. America A. Lyons & Co., Inc.
Tel:(978) 526-4244
Fax:(978) 526-1445
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