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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:inch

Hexagon Screw Nuts, Size #0 To #12

BS 1981 - 1991

Display drawing:

英标BS 1981 - 1991 BS1981 1981BS Hexagon Screw Nuts, Size #0 To #12
Screw Thread
d
0# (1#) 2# (3#) 4# 5# 6# 8# 10# (12#)
PP UNC
UNF
s max
min
m Nominal Size
max
min
- 64 56 48 40 40 32 32 24 24
80 72 64 56 48 44 40 36 32 28
0.1562 0.1562 0.1875 0.1875 0.25 0.3125 0.3125 0.3438 0.375 0.4375
0.15 0.15 0.18 0.18 0.241 0.302 0.302 0.332 0.362 0.423
3/64 3/64 1/16 1/16 3/32 7/64 7/64 1/8 1/8 5/32
0.05 0.05 0.066 0.066 0.098 0.114 0.114 0.13 0.13 0.161
0.043 0.043 0.057 0.057 0.087 0.102 0.102 0.117 0.117 0.148
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67 Precision Hexagon Nuts - B.S.W. & B.S.F. Threads [BS]
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80 Nuts Flange Connections of Type 2 [GOST]
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81 Hexagon Nuts with reduced Width Across Flats, Product GradeA. Construction and dimensions [GOST]
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82 Hexagon Nuts of Accuracy Class B [GOST]
GOST 5915 - 1970 		Hexagon Nuts of Accuracy Class B
83 Hexagon Nuts of Accuracy Class A [GOST]
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84 Hexagon Nuts [OCT]
OCT 26 - 2041 - 1996 		Hexagon Nuts
85 Hexagon Foundation Nuts [JIS]
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86 Hexagon Nut, Style 1, Fine Thread, [Table 7-8] [JIS]
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87 Hexagon Nut, Style 2, Coarse Thread, [Table 11] [JIS]
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88 Hexagon Nut, Style 2, Fine Thread, [Table 14-15] [JIS]
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89 Hexagon Nuts, Finished, [Table JA.9] [JIS]
JIS B 1181 - 2014 		Hexagon Nuts, Finished, [Table JA.9]
90 Hexagon Nuts, Semi-finished, [Table JA.11] [JIS]
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91 Hexagon Nuts, Regular, [Table JA.13] [JIS]
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92 Small Hexagon Nuts, Finished, [Table JA.15] [JIS]
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93 Small Hexagon Nuts, Semi-finished, [Table JA.17] [JIS]
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94 Hexagon Foundation Nuts [JIS]
JIS B 1220 - 2010 		Hexagon Foundation Nuts
95 Hexagon Nut, Style 1, Fine Thread [Table 2] [JIS]
JIS B 1181 - 2004 		Hexagon Nut, Style 1, Fine Thread [Table 2]
96 Hexagon Nuts, Style 2 [Table 3] [JIS]
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97 Type 1, Grade B, Hexagon Nuts [JIS]
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98 Type 2, Grade A, Hexagon Nuts [JIS]
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99 Type 2, Grade B, Hexagon Nuts [JIS]
JIS B 1181 - 1993 		Type 2, Grade B, Hexagon Nuts
100 Hexagon Nuts - Finished [Table 1-1] [JIS]
JIS B 1181 - 1993 		Hexagon Nuts - Finished [Table 1-1]