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(Non-preferred) dimensions in parentheses.

Unit:mm

Spring Lock Washers With Safety Ring

CNS 4255 - 1978

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台湾CNS 4255 - 1978 CNS4255 4255CNS Spring Lock Washers With Safety Ring
Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
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Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


Select here or enter material density on the calculation page.
Nominal Diameter
3 4 5 6 8 10 12 (14) 16 (18)
d min
dc
d3 max=nominal size
min
h1 Nominal Size
max
min
h2 Nominal Size
max
min
s
per 1000 units≈kg
For Nominal Thread Diameter
3.1 4.1 5.1 6.1 8.2 10.2 12.2 14.2 16.2 18.2
5.4 6.7 8.25 9.5 12.5 15 17.5 21 24 27
7 9 11 12 16 19 22 27 30 34
6.7 8.7 10.6 11.6 15.6 18.5 21.5 26.5 29.5 33.5
2.5 3.5 4 4.5 5.5 6 7 9 10 11
3 4.2 4.8 5.4 6.6 7.2 8.4 10.8 12 13.2
2 2.8 3.2 3.6 4.4 4.8 5.6 7.2 8 8.8
2.5 3.2 3.7 4.1 4.9 5.4 6.2 8.2 9.2 10.2
3 3.9 4.5 5 6 6.6 7.6 10 11.2 12.4
2 2.5 2.9 3.2 3.8 4.2 4.8 6.4 7.2 8
1.25 1.75 2 2.25 2.75 3 3.5 4.5 5 5.5
0.3 0.68 1.18 1.49 3.18 4.7 7.28 14.5 19.8 27.6
M3 M4 M5 M6 M8 M10 M12 M14 M16 M18
Nominal Diameter
20 (22) 24 (27) 30 (33) 36 (39) 42
d min
dc
d3 max=nominal size
min
h1 Nominal Size
max
min
h2 Nominal Size
max
min
s
per 1000 units≈kg
For Nominal Thread Diameter
20.2 22.5 24.5 27.5 30.5 33.5 36.5 39.5 42.5
30 34 34 39 42 48 52 56 60
33 42 42 48 52 58 62 70 75
32.2 41.2 41.2 47.2 51 57 61 69 74
12.2 13.2 14.2 14.2 14.2 16.2 18.2 20.2 22.2
14.6 15.8 17 17 17 19.4 21.8 24.2 26.6
9.8 10.6 11.4 11.4 11.4 13 14.6 16.2 17.8
11.4 12.4 13.2 13.2 12.6 14.6 16.6 18.6 20.6
13.8 15 16 16 15.4 17.8 20.2 22.6 25
9 9.8 10.4 10.4 9.8 11.4 13 14.6 16.2
6.1 6.6 7.1 7.1 7.1 8.1 9.1 10.1 11.1
38.3 46.6 46.1 67.4 76.3 105 141 208 269
M20 M22 M24 M27 M30 M33 M36 M39 M42
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1 Single Coil Spring Lock Washers, Normal Type [GB]
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3 Double Coil Helical Spring Lock Washers - Type D [BS]
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4 Spring Washers - Heavy Type 【Table 2】SW/No.3 [JIS]
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5 Spring Lock Washers - Regular Type 【Table 1】SW/No.2 [JIS]
JIS B 1251 (SW/No.2) - 2001 		Spring Lock Washers - Regular Type 【Table 1】SW/No.2
6 Spring washer [UNI]
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8 Spring Lock Washers, With Tang Ends-A type [DIN]
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9 Regular Helical Spring-Lock Washers [SAE]
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12 High-Collar Helical Spring-Lock Washers [SAE]
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13 Helical Spring Lock Washers [SAE]
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14 Metric Spring Lock Washers - Type A [BS]
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15 Metric Spring Lock Washers - Type B [BS]
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16 Metric Spring Lock Washers - Type BP [BS]
BS 4464 - 1969 		Metric Spring Lock Washers - Type BP
17 Spring Lock Washer - Heavy Type [Table 5] SW/No.3 [JIS]
JIS B 1251 (SW/No.3) - 2018 		Spring Lock Washer - Heavy Type [Table 5] SW/No.3
18 Type C single coil girder section spring washers [BS]
BS 1802 (C) - 1951 		Type C single coil girder section spring washers
19 Spring Washer [GOST]
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20 Spring Lock Washers [NF]
NF E 25-515 		Spring Lock Washers
21 Spring Washers [AS]
AS 1559 - 2018 		Spring Washers
22 Single Coil Spring Lock Washers, Normal Type [CNS]
CNS 161 - 1994 		Single Coil Spring Lock Washers, Normal Type
23 Enhanced Spring Washer For Electric Switch [CNS]
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24 Spring washer [KS]
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25 Single Coil Spring Lock Washers, Normal Series [UNI]
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27 Double Coil Helical Spring Washers [IS]
IS 6755 - 1980 (R2001) 		Double Coil Helical Spring Washers
28 Extra-duty helical spring-lock washers [ASME/ANSI]
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29 Single Coil Spring Lock Washers Heavy Type [GB]
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30 Single Coil Spring Lock Washers,Light Type [GB]
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31 Spring Lock Washers, With Square Ends -B type [DIN]
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34 Dimensions of Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME/ANSI]
ASME/ANSI B 18.21.1 - 2009 		Dimensions of Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
35 Dimensions of Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME/ANSI]
ASME/ANSI B 18.21.1 - 2009 		Dimensions of Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
36 High-collar helical spring lock washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME/ANSI]
ASME/ANSI B 18.21.1 - 2009 		High-collar helical spring lock washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
37 Extra-duty helical spring-lock washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME/ANSI]
ASME/ANSI B 18.21.1 - 2009 		Extra-duty helical spring-lock washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
38 Single coil spring lock washers,heavy type [ASME/ANSI]
ASME/ANSI B 18.21.1 - 1999 		Single coil spring lock washers,heavy type
39 Regular helical spring lock washers [ASME/ANSI]
ASME/ANSI B 18.21.1 - 1999 		Regular helical spring lock washers
40 High-collar helical spring-lock washers [ASME/ANSI]
ASME/ANSI B 18.21.1 - 1999 		High-collar helical spring-lock washers
41 Spring Lock Washer - Relular Type [Table 4] SW/No.2 [JIS]
JIS B 1251 (SW/No.2) - 2018 		Spring Lock Washer - Relular Type [Table 4] SW/No.2
42 Regular helical spring lock washers [ASME/ANSI]
ASME/ANSI B 18.21.1 - 1983 		Regular helical spring lock washers
43 Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME]
ASME B 18.21.1 - 2009 (R2016) 		Regular Helical Spring-Lock Washers [Table 1] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
44 Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME]
ASME B 18.21.1 - 2009 (R2016) 		Heavy Helical Spring-Lock Washers [Table 2] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
45 Extra-duty helical spring-lock washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME]
ASME B 18.21.1 - 2009 (R2016) 		Extra-duty helical spring-lock washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
46 High-collar helical spring lock washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME]
ASME B 18.21.1 - 2009 (R2016) 		High-collar helical spring lock washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286)
47 Regular Metric Helical Spring Lock Washers [Table 2] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286) [ASME]
ASME B 18.21.2M - 1999 (R2014) 		Regular Metric Helical Spring Lock Washers [Table 2] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286)
48 Heavy Metric Helical Spring Lock Washers [Table 3] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286) [ASME]
ASME B 18.21.2M - 1999 (R2014) 		Heavy Metric Helical Spring Lock Washers [Table 3] (SAE J403, J411, J404, J405, ASTM B211, B159, B99, QQ-N-286)
49 Type A single coil square section spring washers [BS]
BS 1802 (A) - 1951 		Type A single coil square section spring washers
50 Type B single coil rectangular section spring washers [BS]
BS 1802 (B) - 1951 		Type B single coil rectangular section spring washers
51 Type D double coil spring washers [BS]
BS 1802 (D) - 1951 		Type D double coil spring washers
52 Single Coil Spring Lock Washer For Assembly [GB]
GB 9074.26 - 1988 		Single Coil Spring Lock Washer For Assembly