ANSI/ASME B 18.21.2M - 1999 (R2014) Regular Metric Helical Spring Lock Washers


Unit: mm
Screw Thread
d
Φ2 Φ2.5 Φ3 Φ3.5 Φ4 Φ5 Φ6 Φ8
d max
min
dc max
n min
h min
2.20 2.70 3.21 3.76 4.26 5.26 6.29 8.36
2.05 2.55 3.06 3.58 4.08 5.08 6.10 8.13
4.18 4.94 5.83 6.35 7.28 8.66 12.08 14.96
0.89 1.02 1.19 1.19 1.40 1.57 2.77 3.18
0.51 0.64 0.79 0.79 1.02 1.19 1.57 1.98
Screw Thread
d
Φ10 Φ12 Φ14 Φ16 Φ20 Φ24 Φ30 Φ36
d max
min
dc max
n min
h min
10.38 12.45 14.50 16.63 20.66 24.81 31.25 37.50
10.13 12.15 14.20 16.25 20.28 24.30 30.51 36.61
17.83 21.47 24.39 27.53 33.26 39.79 49.36 58.76
3.58 4.34 4.78 5.16 5.94 7.14 8.74 10.31
2.39 3.18 3.58 3.96 4.78 5.94 7.54 9.12
Suppliers
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1
China Mainland Hebei Delong Fasteners Macufacturing Co., Ltd.
Jin Xiaowei
Mobile Phone: +86-17121526888 Telephone: +86-310-6665553
Material: Carbon Steel, 45 # steel, 65Mn, Alloy Steel; Specification: M3-M36; Surface Treatment: Phosphating, Blackening, White Zinc, Blue-white Zinc, Colored Zinc, Military Green, Dacromet, Environmental Protection Plating, Hot-dip Galvanizing, As Processed; Grade: 140HV, 200HV, 300HV, 8.8, 10.9; Customized
Contact us via Email
2
China Mainland Xinghua Hengtai Spring washers Co.,Ltd.
Manager Bian
Mobile Phone: +86-13775652118/13815918111 Telephone: +86-523-83214668
Material: spring steel; Specification: complete; Surface treatment: according to customer requirement
Contact us via Email
3
Superior Washer America Superior Washer
Contacts:Robert Lippolis      
Contact us via Email
4
Wrought Washer Manufacturing, Inc. America Wrought Washer Manufacturing, Inc.
Tel:800.558.5217
Contact us via Email
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