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Click Specification

(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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Similar Standards

1 Single Coil Spring Lock Washers, Normal Type [GB]
GB /T 93 - 1987 		Single Coil Spring Lock Washers, Normal Type

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2 Single Coil Spring Lock Washers, Normal Type [GB]
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3 Disc Spring - A Style [GB]
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4 Spring Lock Washers with Square Ends for Cheese Head Screws [DIN]
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6 Double Coil Helical Spring Lock Washers for Wood Structures [ASME]
ASME B 18.21.3 - 2008 (R2013) 		Double Coil Helical Spring Lock Washers for Wood Structures
7 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)
8 Spring Lock Washers with Safety Ring [DIN]
DIN 6913 - 1987 		Spring Lock Washers with Safety Ring
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ASME/ANSI B 18.21.1 - 1999 		High-collar Helical Spring - Lock washers
11 Extra-duty Helical Spring - Lock Washers [ASME/ANSI]
ASME/ANSI B 18.21.1 - 1999 		Extra-duty Helical Spring - Lock Washers
12 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)
13 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)
14 Regular Helical Spring Lock Washers [ASME/ANSI]
ASME/ANSI B 18.21.1 - 1999 		Regular Helical Spring Lock Washers
15 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)
16 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)
17 Regular Helical Spring Lock Washers [ASME/ANSI]
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18 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)
19 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)
20 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)
21 High-collar Helical Spring Lock Washers [Table 4] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME/ANSI]
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22 Extra-duty Helical Spring-lock Washers [Table 3] (SAE J403, J411, J405, J404, ASTM B211, B159, B99, QQ-N-286) [ASME/ANSI]
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31 Type C Single Coil Girder Section Spring Washers [BS]
BS 1802 (C) - 1951 		Type C Single Coil Girder Section Spring Washers
32 Spring Lock Washers [NF]
NF E 25-515 		Spring Lock Washers
33 Metric Spring Lock Washers - Type B [BS]
BS 4464 - 1969 		Metric Spring Lock Washers - Type B
34 Double Coil Helical Spring Lock Washers - Type D [BS]
BS 4464 - 1969 		Double Coil Helical Spring Lock Washers - Type D
35 Type D Double Coil Spring Washers [BS]
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36 Spring Washers - Heavy Type [Table 2] SW/No.3 [JIS]
JIS B 1251 (SW/No.3) - 2001 		Spring Washers - Heavy Type [Table 2] SW/No.3
37 Single Coil Spring Lock Washers Heavy Type [GB]
GB 7244 - 1987 		Single Coil Spring Lock Washers Heavy Type
38 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
39 Metric Spring Lock Washers - Type A [BS]
BS 4464 - 1969 		Metric Spring Lock Washers - Type A
40 Type B Single Coil Rectangular Section Spring Washers [BS]
BS 1802 (B) - 1951 		Type B Single Coil Rectangular Section Spring Washers
41 Spring Lock Washer - Relular Type [Table 4] SW/No.2 [JIS]
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42 Single Coil Spring Lock Washers, Light Type [GB]
GB 859 - 1987 		Single Coil Spring Lock Washers, Light Type
43 Double Coil Helical Spring Washers [IS]
IS 6755 - 1980 (R2001) 		Double Coil Helical Spring Washers
44 Heavy Helical Spring-Lock Washers [SAE]
SAE J 2655 - 2015 		Heavy Helical Spring-Lock Washers
45 Spring Lock Washers [IS]
IS 6735 - 1994 (R2004) 		Spring Lock Washers
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IS 3063 - 1994 (R2004) 		Spring Washers - Type A and B
47 Spring Washer [KS]
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48 Enhanced Spring Washer for Electric Switch [CNS]
CNS 8930 - 1982 		Enhanced Spring Washer for Electric Switch
49 Single Coil Spring Lock Washers, Normal Type [CNS]
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51 Spring Washer [GOST]
GOST 6402 - 1970 (R1982) 		Spring Washer
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53 Regular Helical Spring-Lock Washers [SAE]
SAE J 2655 - 2015 		Regular Helical Spring-Lock Washers
54 Helical Spring Lock Washers [SAE]
SAE J 489B (Table 2) - 1974 		Helical Spring Lock Washers
55 High-Collar Helical Spring-Lock Washers [SAE]
SAE J 2655 - 2015 		High-Collar Helical Spring-Lock Washers
56 Extra-Duty Helical Spring-Lock Washers [SAE]
SAE J 2655 - 2015 		Extra-Duty Helical Spring-Lock Washers