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Unit:mm

Hexagon Nuts for Steel Pipe with Flange

HG /T 20634 - 2009

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化工HG /T20634 - 2009 HG20634 20634HG Hexagon Nuts for Steel Pipe with Flange
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Thread Size
d
M14 M16 M20 M24 M27 M30 M33 M36 M39 M42
P Pitch（Coarse thread）
Pitch（Fine thread）
da max
min
dw min
e min
m max
min
mw min
s max
min
2 2 2.5 3 3 3.5 3.5 / / /
/ / / / / / / 3 3 3
15.1 17.3 21.6 25.9 29.1 32.4 35.6 38.9 42.1 45.4
14 16 20 24 27 30 33 36 39 42
21.1 24.1 30.5 37.5 42.5 46.5 50.8 55.8 60.1 60.1
25.94 29.3 36.96 44.8 50.4 54.88 60.26 65.86 70.67 70.67
14.3 16.4 20.4 24.4 27.4 30.4 33.5 36.5 39.5 42.5
13.6 15.7 19.1 23.1 26.1 28.8 31.9 34.9 37.9 40.9
10.9 12.5 13.9 18.5 20.9 23.1 25.5 27.9 30.3 32.2
24 27 34 41 46 50 55 60 65 65
23.16 26.16 33 40 45 49 53.8 58.8 63.1 63.1
Thread Size
d
M45 M48 M52 M56 M64 M70 M76 M82 M90
P Pitch（Coarse thread）
Pitch（Fine thread）
da max
min
dw min
e min
m max
min
mw min
s max
min
/ / / / / / / / /
3 3 3 3 3 3 3 3 3
48.6 51.8 56.2 60.5 69.1 75.6 82.1 88.6 97.2
45 48 52 56 64 70 76 82 90
65.1 70.1 75.1 79.3 89.3 96.9 104.5 112.1 123.5
76.27 81.87 87.47 92.74 103.94 111.79 120.74 129.45 142.8
45.5 48.5 52.5 56.5 64.5 70.5 76.5 82.5 90.5
43.92 46.9 50.6 54.6 62.6 68.4 74.6 80 88.3
35.2 37.5 45.3 48.7 50.1 55.0 59.7 64.4 70.7
70 75 80 85 95 102 110 118 130
68.1 73.1 78.1 82.8 92.8 100 107.8 115.6 127.5

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47 Hexagon Nuts, Style 1 - Product Grades A and B [EN]
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53 Machine Screw Nuts with B.S.W. & B.S.F. Threads - Precision Type [Table 10] [BS]
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BS 1769 - 1951 		Unified Hexagon Ordinary Nuts - Heavy Series - Full Bearing
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60 Spectacle Frames - Hexagon Nuts [JIS]
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61 Hexagon Nuts, Style 2, with Metric Fine Pitch Thread - Product Grades A and B [NF]
NF E 25-452 - 2001 		Hexagon Nuts, Style 2, with Metric Fine Pitch Thread - Product Grades A and B
62 Small Hexagon Nuts - Semi-finished [Table 2-2] [JIS]
JIS B 1181 - 1993 		Small Hexagon Nuts - Semi-finished [Table 2-2]
63 Hexagon Nuts - Finished [Table 1-1] [JIS]
JIS B 1181 - 1993 		Hexagon Nuts - Finished [Table 1-1]
64 Hexagon Nuts - Product Grade C [NF]
NF E 25-402 - 2001 		Hexagon Nuts - Product Grade C
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66 Type 2, Grade A, Hexagon Nuts [JIS]
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67 Hexagon Nut, Style 2, Coarse Thread, [Table 11] [JIS]
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69 Hexagon Nuts, Semi-finished, [Table JA.11] [JIS]
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70 Metric Precision Hexagon Nuts [BS]
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73 Small Hexagon Nuts, Finished, [Table JA.15] [JIS]
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BS 916 - 1953 		Hexagon Thin Nuts with B.S.Threads - Faced One Side or Both Side - Black [Table 3]
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76 Small Hexagon Nuts, Semi-finished, [Table JA.17] [JIS]
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77 ISO Metric Hexagon Nuts - Black [Table 12] [BS]
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78 ISO Metric Hexagon Nuts - Faced Under Head [Table 7] [BS]
BS 4190 (T7) - 2014 		ISO Metric Hexagon Nuts - Faced Under Head [Table 7]
79 Precision Hexagon Nuts - B.S.W. & B.S.F. Threads [BS]
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80 Type 1, Grade B, Hexagon Nuts [JIS]
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85 Hexagon Nuts, Style 1, with Fine Pitch Thread - Product Grades A and B [NF]
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JIS B 1181 - 1993 		Hexagon Nuts - Semi-Finished [Table 1-2]
87 Hexagon Nuts with B.S.Threads - Black [Table 3] [BS]
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90 Unified Hexagon Thick Ordinary Nuts [BS]
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91 Screwed Type Malleable Cast iron Pipe Fittings - Class II Backnuts [JIS]
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92 Type 2, Grade B, Hexagon Nuts [JIS]
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94 Hexagon Nuts - Regular [Table 1-3] [JIS]
JIS B 1181 - 1993 		Hexagon Nuts - Regular [Table 1-3]
95 ISO Metric Hexagon Nuts - Black [Table 7] [BS]
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96 Hexagon Nut, Style 1, Fine Thread, [Table 7-8] [JIS]
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97 Hexagon Nuts, Regular, [Table JA.13] [JIS]
JIS B 1181 - 2014 		Hexagon Nuts, Regular, [Table JA.13]
98 Screwed Type Malleable Cast iron Pipe Fittings - Class I Backnuts (locknuts) [JIS]
JIS B 2301 (A16) - 2013 		Screwed Type Malleable Cast iron Pipe Fittings - Class I Backnuts (locknuts)
99 Hexagon Nut, Style 2, Fine Thread, [Table 14-15] [JIS]
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100 Unified Hexagon Lock Nuts - Heavy Series [BS]
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