简体 | 繁體 | FastenerExpo |

Square Head Bolts

ASME B 18.2.1 - 2010

Display drawing:

美标ASME B18.2.1 - 2010 ASME18.2.1 18.2.1A Square Head Bolts

 *Models with different eras.

Screw Thread
d
1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2
PP UNC
ds max
min
s Basic
max
min
e max
min
k Basic
max
min
r max
min
b L≤6
L>6
20 18 16 14 13 11 10 9 8 7 7 6 6
0.260 0.324 0.388 0.452 0.515 0.642 0.768 0.895 1.022 1.149 1.277 1.404 1.531
0.237 0.298 0.36 0.421 0.482 0.605 0.729 0.852 0.976 1.098 1.223 1.345 1.47
3/8 1/2 9/16 5/8 3/4 15/16 1-1/8 1-5/16 1-1/2 1-11/16 1-7/8 2-1/16 2-1/4
0.375 0.500 0.562 0.625 0.750 0.938 1.125 1.312 1.500 1.688 1.875 2.062 2.250
0.362 0.484 0.544 0.603 0.725 0.906 1.088 1.269 1.450 1.631 1.812 1.944 2.175
0.53 0.707 0.795 0.884 1.061 1.326 1.591 1.856 2.121 2.386 2.652 2.917 3.182
0.498 0.665 0.747 0.828 0.995 1.244 1.494 1.742 1.991 2.239 2.489 2.738 2.986
11/64 13/64 1/4 19/64 21/64 27/64 1/2 19/32 21/32 3/4 27/32 29/32 1
0.188 0.220 0.268 0.316 0.348 0.444 0.524 0.620 0.684 0.780 0.876 0.940 1.036
0.156 0.186 0.232 0.278 0.308 0.400 0.476 0.568 0.628 0.720 0.812 0.872 0.964
0.03 0.03 0.03 0.03 0.03 0.06 0.06 0.06 0.09 0.09 0.09 0.09 0.09
0.01 0.01 0.01 0.01 0.01 0.02 0.02 0.02 0.03 0.03 0.03 0.03 0.03
0.750 0.875 1.000 1.125 1.250 1.500 1.750 2.000 2.250 2.500 2.750 3.000 3.250
1.000 1.125 1.250 1.375 1.500 1.750 2.000 2.250 2.500 2.750 3.000 3.250 3.500

Similar Standards

1 Square Bolts [ASME/ANSI]
ASME/ANSI B 18.2.1 - 1996
Square Bolts

View Suppliers
2 Square Head Bolts [Table 1] (ASTM A307 / A354 / A394) [ASME]
ASME B 18.2.1 - 2012
Square Head Bolts [Table 1] (ASTM A307 / A354 / A394)

View Suppliers
3 Square Head Bolts - Product Grade C [GB]
GB 8 - 1976
Square Head Bolts - Product Grade C

View Suppliers
4 Square Head Bolts - Product Grade C [GB]
GB /T 8 - 2021
Square Head Bolts - Product Grade C

View Suppliers
5 Square Head Bolts - Product Grade C [GB]
GB 8 - 1988
Square Head Bolts - Product Grade C

View Suppliers
6 Askew Head Bolts [ASME]
ASME B 18.2.1 - 2010
Askew Head Bolts
7 Square Head Bolts For Shaft Guides [DIN]
DIN 21346 - 1989
Square Head Bolts For Shaft Guides
8 Metric Square Head Bolts [ASME]
ASME B 18.2.3.10M - 1996
Metric Square Head Bolts
9 Askew Head Bolts [Table 4] (ASTM A307 / A354 / A394) [ASME]
ASME B 18.2.1 - 2012
Askew Head Bolts [Table 4] (ASTM A307 / A354 / A394)
10 Large Square Head Bolts [JIS]
JIS B 1182 - 1995
Large Square Head Bolts
11 Small square head bolts [GB]
GB /T 35 - 1988
Small square head bolts
12 Fish Plate Bolt Square Head [JIS]
JIS E 1107 - 2008
Fish Plate Bolt Square Head
13 Square Head Bolts [JIS]
JIS B 1182 - 1995
Square Head Bolts
14 Thin Square Head Bolts [JIS]
JIS B 1182 - 1995
Thin Square Head Bolts
15 Square Head Screws  faced under head with B.S.Threads - Black  [Table 2] [BS]
BS 916 - 1953
Square Head Screws faced under head with B.S.Threads - Black [Table 2]
16 Large square head bolts and bolts with square nut - metric coarse thread - Finish C [UNI]
UNI 5729 - 1965
Large square head bolts and bolts with square nut - metric coarse thread - Finish C
17 Square bolts faced under head, and faced under head and turned on shank with B.S.Threads - Black [Table 2] [BS]
BS 916 - 1953
Square bolts faced under head, and faced under head and turned on shank with B.S.Threads - Black [Table 2]
18 Spuare Head Screws with B.S.Threads  [Table 1] [BS]
BS 916 - 1953
Spuare Head Screws with B.S.Threads [Table 1]
19 Square Head Bolt with B.S.Threads  [Table 1] [BS]
BS 916 - 1953
Square Head Bolt with B.S.Threads [Table 1]
20 Square Head Bolts With Small Head [GB]
GB /T 35 - 2013
Square Head Bolts With Small Head
21 Square Head Bolts [JIS]
JIS B 1182 - 1995
Square Head Bolts
22 Blunt Bolts for General Purpose - Basic Parameters and Dimensions [GOST]
GOST 21249 (-2) - 1996
Blunt Bolts for General Purpose - Basic Parameters and Dimensions
23 Blunt Bolts for General Purpose - Basic Parameters and Dimensions [GOST]
GOST 21249 (-1) - 1996
Blunt Bolts for General Purpose - Basic Parameters and Dimensions
24 Square Head Bolts For Wooden Guide Plates [CNS]
CNS 4699 - 1982
Square Head Bolts For Wooden Guide Plates
25 Square Head Bolts (Finished) [CNS]
CNS 3134 - 1981
Square Head Bolts (Finished)
26 Square Head Bolts (Semi-Finished) [CNS]
CNS 3135 - 1981
Square Head Bolts (Semi-Finished)
27 Square Head Bolts (Regular) [CNS]
CNS 3136 - 1981
Square Head Bolts (Regular)
28 Large Square Head Bolts (Regular) [CNS]
CNS 3137 - 1981
Large Square Head Bolts (Regular)