Hex Bolts & Hex Cap Screws

HEX BOLTS & HEX CAP SCREWS1
HEX BOLTS & HEX CAP SCREWS2
HEX BOLTS & HEX CAP SCREWS3
HEX BOLTS & HEX CAP SCREWS4
HEX BOLTS & HEX CAP SCREWS5
HEX BOLTS & HEX CAP SCREWS6
HEX BOLTS & HEX CAP SCREWS7

Metric KS B1002 JIS 1180

Metric KS B1002 JIS 1180
Bolt Diameterand Pitch d1 H B C R S
Basic Tolerance Basic Tolerance Basic Tolerance L≤125 125＜L≤200 L>200
Coarse Fine Fin Semi Fin Rage Fin Semi Fin Rage Fin Semi Fin Rage App Min
M6x1 – 6 0-0.1 0-0.2 +0.6-0.15 4 ±0.15 ±0.25 ±0.6 10 0-0.2 0-0.6 0-0.6 11.5 0.25 18 – –
M8x1.25 M8x1 8 0-0.15 +0.7-0.2 5.5 13 0-0.25 0-0.7 0-0.7 15 0.4 22 – –
M10x1.5 M10x1.25 10 7 ±0.2 ±0.3 ±0.8 17 19.6 0.4 26 – –
M12x1.75 M12x1.25 12 0-0.2 0-0.25 +0.9-0.2 8 19 0-0.3 0-0.8 0-0.8 21.9 0.6 30 36 –
M14x2 M14x1.5 14 9 22 25.4 0.6 34 40 –
M16x2 M16x1.5 16 10 24 27.7 0.6 38 44 –
M18x2.5 M18x1.5 18 12 ±0.35 ±0.9 27 31.2 0.8 42 48 –
M20x2.5 M20x1.5 20 +1.2-0.4 13 30 34.6 0.8 46 52 –
M22x2.5 M22x1.5 22 14 32 0-0.4 0-1.0 0-1.0 37 0.8 50 56 –
M24x3 M24x2 24 15 36 41.6 1 54 60 –
M27x3 M27x2 27 17 41 47.3 1 60 66 79
M30x3.5 M30x2 30 19 ±0.25 ±0.4 ±1.0 46 53.1 1 66 72 85
M33x3.5 M33x2 33 0-0.25 0-0.4 +1.2-0.4 21 50 57.7 1 72 78 91
M36x4 M36x3 36 23 55 0-0.45 0-1.2 0-1.2 63.5 1 78 84 97
M39x4 M39x3 39 25 60 69.3 1.2 84 90 103
M42x4.5 – 42 26 65 75 1.2 90 96 109
M45x4.5 – 45 28 70 80.8 1.6 96 102 115
M48x5 – 48 30 75 86.5 1.6 102 108 121
M52x5 – 52 0-0.3 0-0.45 +1.2-0.7 33 ±0.3 ±0.5 ±1.5 80 92.4 2 – 116 129
M56x5.5 – 56 – 35 – 85 0-0.55 0-1.4 – 98.1 2 – 124 137
M60x5.5 – 60 38 90 104 2 – 132 145
M64x6 – 64 40 95 110 2 – 140 153
M68x6 – 68 43 100 115 2 – 148 161
– M72x6 75 45 105 121 2 – 156 169
– M76x6 76 48 110 127 2 – 164 177
– M80x6 80 50 115 133 2 – 172 158
Unified ANSI B18.2.1
Nominal Sizeof Basic Bolt Dia d1 B C H R S
Body Dia Width AcrossCorners Width AcrossCorners HeadHeight Radiusof Fittet Thread LengthL≤6 L＞6
Max Basic Max Min Max Min Basic Max Min Max Min Basic Basic
1/4 0.2500 0.260 7/16 0.438 0.425 0.505 0.484 11/64 0.188 0.150 0.03 0.01 0.750 1.000
5/16 0.3125 0.324 1/2 0.500 0.484 0.577 0.552 7/32 0.235 0.195 0.03 0.01 0.875 1.125
3/8 0.3750 0.388 9/16 0.562 0.544 0.650 0.620 1/4 0268 0.226 0.03 0.01 1.000 1.250
7/16 0.4375 0.452 5/8 0.625 0.603 0.722 0.687 19/64 0.316 0.272 0.03 0.01 1.125 1.375
1/2 0.5000 0.515 3/4 0.750 0.725 0.866 0.826 11/32 0.364 0.302 0.03 0.01 1.250 1.500
5/8 0.6250 0.642 15/16 0.38 0.906 1.083 1.033 27/64 0.444 0.378 0.06 0.02 1.500 1.750
3/4 0.7500 0.768 1 1/8 1.125 1.088 1.299 1.240 1/2 0.524 0.455 0.06 0.02 1.750 2.000
7/8 0.8750 0.895 1 5/16 1.312 1.269 1.516 1.447 37/64 0.604 0.531 0.06 0.02 2.000 2.250
1 10.000 1.022 1 1/2 1.500 1.450 1.732 1.653 43/64 0.700 0.591 0.09 0.03 2.250 2.500
1 1/8 1.1250 1.149 1 11/16 1.688 1.631 1.949 1.859 3/4 0.780 0.658 0.09 0.03 2.500 2.750
1 1/4 1.2500 1.277 1 7/8 1.875 1.812 2.165 2.066 27/32 0.876 0.749 0.09 0.03 2.750 3.000
1 3/8 1.3750 1.404 2 1/16 2.062 1.994 2.382 2.273 29/32 0.940 0.810 0.09 0.03 3.000 3.250
1 1/2 1.5000 1.531 2 1/4 2.250 2.175 2.598 2.480 1 1.036 0.902 0.09 0.03 3.250 3.500
1 3/4 1.7500 1.785 2 5/8 2.625 2.538 3.031 2.891 1 5/32 1.196 1.054 0.12 0.04 3.750 4.000
1 2.0000 2.039 3 3.000 2.900 3.464 3.306 1 11/32 1.388 1.175 0.12 0.04 4.250 4.500
2 1/4 2.2500 2.305 3 3/8 3.375 3.262 30897 3.719 1 1/2 1.548 1.327 0.19 0.06 4.750 5.000
2 1/2 2.5000 0.559 3 3/4 3.750 3.652 4.330 4.133 1 21/32 1.708 1.479 0.19 0.06 5.250 5.500
2 3/4 2.7500 2.827 4 1/8 4.125 3.988 4.763 4.546 1 13/16 1.869 1.632 0.19 0.06 5.750 6.000
3 3.0000 3.081 4 1/2 4.500 4.330 5.196 4.959 2 2.060 1.815 0.19 0.06 6.250 6.500
3 1/4 3.2500 3.335 4 7/8 4.875 4.712 5.629 5.372 2 3/16 2.251 1.936 0.19 0.06 6.750 7.000
3 1/2 3.5000 3.589 5 1/4 5.520 5.075 6.062 5.786 2 5/16 2.380 2.057 0.19 0.06 7.250 7.500
3 3/4 3.7500 3.858 5 5/8 5.625 5.437 6.495 6.198 2 1/2 2.572 2.241 0.19 0.06 7.750 8.000
4 4.0000 4.111 6 6.000 6.928 6.612 2 11/16 5.764 2.424 0.19 0.06 8.250 8.500

Hex Nuts & Hex Jam Nuts

HEX NUTS & HEX JAM NUTS

Metric KS B1002 JIS 1181

Metric KS B1002 JIS 1181
Nominal Sizeand Pitch H H₁ B c
Coarse Fine Basic Tolerance Basic Tolerance Basic Tolerance App
Finish SemiFinish Regu Finish SemiFinish Regu Finish SemiFinish Regu
M6x1 – 5 0-3.0 0-0.48 ±0.6 3.6 0-0.3 0-0.48 ±0.6 10 0-0.2 0-0.6 0-0.6 11.5
M8x1.25 M8x1 6.5 0-0.36 0-0.58 ±0.8 5 13 0-0.25 0-0.7 0-0.7 15
M10x1.5 M10x1.25 8 6 17 19.6
M12x1.175 M12x1.25 10 7 0-0.36 0-0.58 ±0.8 19 0-0.35 0-0.8 0-0.8 21.9
M14x2 M14x1.5 11 0-0.43 0-0.70 ±0.9 8 22 25.4
M16x2 M16x1.5 13 10 24 27.7
M18x2.5 M18x1.5 15 11 0-0.43 0-0.70 ±0.9 27 31.2
M20x2.5 M20x1.5 16 12 30 34.6
M22x2.5 M22x1.5 18 13 32 0-0.4 0-1.0 0-1.0 37
M24x3 M24x2 19 0-0.52 0-0.84 ±1.0 14 36 41.6
M27x3 M27x2 22 16 41 47.3
M30x3.5 M30x2 24 18 46 53.1
M33x3.5 M33x2 26 20 0-0.52 0-0.84 ±1.0 50 57.7
M36x4 M36x3 29 21 55 0-0.45 0-1.2 0-1.2 63.5
M39x4 M39x3 31 0-0.62 0-1.0 ±1.2 23 60 69.3
M42x4.5 – 34 25 65 75
M45x4.5 – 36 27 70 80.8
M48x5 – 38 29 75 86.5
M52x5 – 42 31 0-0.62 0-1.0 ±1.2 80 92.4
M56x5.5 – 45 34 85 0-0.55 0-1.4 0-1.4 98.1
M60x5.5 – 48 36 90 104
M64x6 – 51 0-0.74 0-1.2 ±1.5 38 95 110
M68x6 – 54 40 100 115
– – 58 42 105 121
– – 61 46 110 127
– – 64 48 115 133
– – 68 50 120 139
– – 72 54 0-0.74 0-1.2 ±1.5 130 0-0.65 0-1.6 0-1.6 150
– – 76 57 135 156
– – 80 60 145 167
– – 88 0-0.87 0-1.4 ±1.8 65 155 179
– – 96 72 170 196
Unified ANSI B18.2.2
Nominal SizeorBasic Major Diaof Thread B C H H₁
Width AcrossFlats Width AcrossCorners ThicknessHex Nuts ThicknessHex Jam Nuts
Basic Max Min Max Min Basic Max Min Basic Max Min
1/4 0.2500 7/16 0.438 0.428 0.505 0.488 7/32 0.226 0.2512 5/32 0.163 0.150
5/16 0.3125 1/2 0.500 0.489 0.577 0.557 17/64 0.273 0.258 3/16 0.195 0.180
3/8 0.3750 9/16 0.562 0.551 0.650 0.628 21/64 0.337 0.320 7/32 0.227 0.210
7/16 0.4375 11/16 0.688 0.675 0.794 0.768 3/8 0.358 0.365 1/6 0.260 0.240
1/2 0.5000 3/4 0.750 0.736 0.866 0.840 7/16 0.448 0.427 5/16 0.323 0.302
9/16 0.5625 7/8 0.875 0.851 1.010 0.982 31/64 0.496 0.473 5/16 0.324 0.301
5/8 0.6250 15/16 0.938 0.922 1.083 1.051 35/64 0.559 0.535 3/8 0.387 0.363
3/4 0.1500 1 1/8 1.125 1.088 1.299 1.240 41/64 0.665 0.617 27/64 0.446 0.398
7/8 0.8750 1 5/16 1.312 1.269 1.516 1.447 3/4 0.776 0.724 31/64 0.510 0.458
1 1.0000 1 1/2 0.500 1.450 1.732 1.653 55/64 0.887 0.831 35/64 0.575 0.519
1 1/8 1.1250 1 11/16 1.688 1.631 1.949 1.859 31/32 0.999 0.939 39/64 0.639 0.579
1 1/4 1.2500 1 7/8 1.875 1.812 2.165 2.066 1 1/16 1.904 1.030 23/32 0.751 0.687
1 3/8 1.3750 2 1/16 2.062 1.994 2.328 2.273 1 11/64 1.206 1.138 25/32 0.815 0.747
1 1/2 1.5000 2 1/4 2.250 2.175 2.598 2.480 1 9/32 1.317 1.245 27/32 0.880 0.808

Heavy Hex Bolts

HEAVY HEX BOLTS

Metric KS B1002 JIS 1180

Unified ANSI B18.2.1
Nominal Size or Basic Major Diameter E F G H R L
Body Dia Width Acoross Flat Width AcrossCorners Head Height Radius Of Fillet Thread Length For Bolt Lengths
L≤6 L＞6
Max Basic Max Min Max Min Basic Max Min Max Min Basic Basic
1/2 0.500 0.515 7/8 0.875 0.850 1.010 0.969 11/32 0.364 0.302 0.03 0.01 1.25 1.50
5/8 0.625 0.642 1 1/16 1.062 1.031 1.227 1.175 27/64 0.444 0.378 0.06 0.02 1.50 1.75
3/4 0.750 0.768 1 1/4 1.250 1.212 1.443 1.383 1/2 0.524 0.455 0.06 0.02 1.75 2.00
7/8 0.875 0.895 1 7/16 1.438 1.394 1.660 1.589 37/64 0.604 0.531 0.06 0.02 2.00 2.25
1 1.000 1.022 1 5/8 1.625 1.575 1.876 1.796 43/64 0.700 0.591 0.09 0.03 2.25 2.50
1 1/8 1.125 1.149 1 13/16 1.812 1.756 2.093 2.002 3/4 0.780 0.658 0.09 0.03 2.50 2.75
1 1/4 1.250 1.277 2 2.000 1.938 2.309 2.209 27/32 0.876 0.749 0.09 0.03 2.75 3.00
1 3/8 1.375 1.404 2 3/16 2.188 2.119 2.526 2.416 29/32 0.940 0.810 0.09 0.03 30.00 3.25
1 1/2 1.500 1.531 2 3/8 2.375 2.300 2.742 2.622 1 1.036 0.902 0.09 0.03 3.25 3.50
1 3/4 1.750 1.758 2 3/4 2.50 2.662 3.174 3.035 1 5/32 1.196 1.054 0.12 0.04 3.75 4.00
2 2.000 2.039 3 1/8 3.125 3.025 3.608 3.449 1 11/32 1.388 1.175 0.12 0.04 4.25 4.50
2 1/4 2.250 2.305 3 1/2 3.500 3.388 4.041 3.862 1 1/2 1.548 1.327 0.19 0.06 4.75 5.00
2 1/2 2.500 0.559 3 7/8 3.875 3.750 4.474 4.275 1 21/32 1.708 1.479 0.19 0.06 5.25 5.50
2 3/4 2.750 2.827 4 1/4 4.250 4.112 4.907 4.688 1 13/16 1.869 1.632 0.19 0.06 5.75 6.00
3 3.000 3.081 4 5/8 4.625 4.475 5.340 5.102 2 2.060 1.815 0.19 0.06 6.25 6.50
Unified ANSI B18.2.2
Nominal SizeorBasic Major Dia

of Thread

 3.000F3.250 G H H₁
Width AcrossFlats Width AcrossCorners ThicknessHex Nuts ThicknessHex Jam Nuts
Basic Max Min Max Min Basic Max Min Basic Max Min
1/2 0.500 7/8 0.875 0.850 1.010 0.969 13/64 0.504 0.464 19/64 0.317 0.277
5/8 0.625 1 1/16 1.062 1.031 1.227 1.175 39/64 0.631 0.587 23/64 0.381 0.337
3/4 0.750 1 1/4 1.250 1.212 1.443 1.382 47/64 0.758 0.710 27/64 0.446 0.398
7/8 0.875 1 7/16 1.438 1.394 1.660 1.589 55/64 0.885 0.833 31/64 0.510 0.458
1 1.000 1 5/8 1.625 1.575 1.876 1.796 63/64 1.012 0.956 35/64 0.575 0.519
1 1/8 1.125 1 13/16 1.812 1.756 2.093 2.002 1 7/64 1.139 1.079 39/64 0.639 0.579
1 1/4 1.250 2 2.000 1.938 2.309 2.209 1 7/32 1.251 1.187 23/32 0.751 0.687
1 3/8 1.375 2 3/16 2.188 2.119 2.526 2.416 1 11/32 1.378 1.310 25/32 0.815 0.747
1 1/2 1.500 2 3/8 2.375 2.300 2.742 2.622 1 15/32 1.505 1.433 27/32 0.880 0.808
1 5/8 1.625 2 9/16 2.5262 2.481 2.959 2.828 1 19/32 1.632 1.556 29/32 0.944 0.868
1 3/4 1.750 2 3/4 2.750 2.662 3.175 3.305 1 23/32 1.759 1.679 31/32 1.009 0.929
1 7/8 1.875 2 15/16 2.938 2.844 3.392 30242 1 27/32 1.886 1.802 1 1/32 1.073 0.989
2 2.000 3 1/8 3.125 3.025 3.608 3.449 1 31/32 2.013 1.925 1 3/32 1.138 1.050
2 1/4 2.250 2 1/2 3.500 3.388 4.041 3.862 2 13/64 2.251 2.155 1 13/64 1.251 1.155
2 1/2 2.500 3 7/8 3.875 3.750 4.474 4.275 2 29/64 2.505 2.401 1 29/64 1.505 1.401
2 3/4 2.750 4 1/4 4.250 4.112 4.907 4.688 2 45/64 2.759 2.647 1 37/64 1.634 1.522
3 3.000 4 5/8 4.625 4.475 5.340 5.102 2 61/64 3.013 2.891 1 45/64 1.763 1.643
3 1/4 3.250 5 5.0000 4.838 5.774 5.515 3 3/16 3.252 3.124 1 13/16 1.876 1.748
3 1/2 3.500 5 3/8 8.375 2.200 6.207 5.928 3 7/16 3.506 3.370 1 15/16 2.006 1.870
3 3/4 3.750 5 3/4 5.750 5.562 6.640 6.341 3 11/16 3.760 3.616 2 1/16 2.134 1.990
4 4.000 6 1/8 6.125 5.925 7.073 6.755 3 15/16 4.014 3.862 2 3/16 2.264 2.112
Chemical Requirements
SpecificationGrade C Si Mn PMax SMax Ni Cr Mo Vanadium
ASTM A193 Gr B7 0.37-0.49 0.15-0.35 0.65-1.10 0.035 0.04 0.75-1.20 0.15-0.25
ASTM A193 Gr B7M 0.37-0.49 0.15-0.35 0.65-1.10 0.035 0.04 0.75-1.20 0.15-0.25
ASTM A193 Gr B16 0.36-0.47 0.15-0.35 0.45-0.70 0.035 0.04 0.80-1.15 0.50-0.65 0.25-0.35
ASTM A193 Gr B8 Max 0.08 Max 1.00 Max 2.00 0.045 0.03 8.00-10.5 18.0-20.0
ASTM A193 Gr B8M Max 0.08 Max 1.00 Max 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0
ASTM A193 Gr B6 Max 0215 Max 1.00 Max 1.00 0.045 0.03 11.5-13.5
ASTM A320 Gr L7 0.38-0.48 0.15-0.35 0.75-1.00 0.035 0.04 0.80-1.10 0.15-0.25
ASTM A320 Gr L7M 0.38-0.48 0.15-0.35 1.75-1.00 0.035 0.04 0.80-1.10 0.15-0.25
ASTM A320 Gr B8 Max 0.08 Max 1.00 Max 2.00 0.045 0.03 8.00-10.5 18.0-20.0
ASTM A320 Gr B8M Max 0.08 Max 1.00 Max 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0
ASTM A325 TYPE 1 0.28-0.55 Min 0.60 0.040 0.05 Boron Min 0.0005
ASTM A325 TYPE 2 0.15-0.34 Min 0.70 0.040 0.05
ASTM A354 Gr BC 0.30-0.53 0.035 0.04
ASTM A354 Gr BD 0.30-0.53 0.035 0.04
ASTM A449 TYPE1 0.28-0.55 Min 0.60 0.040 0.05 Boron Min 0.0005
ASTM A449 TYPE 2 0.15-0.38 Min 0.70 0.040 0.05
ASTM A490 TYPE1 0.30-0.48 0.040 0.04
JIS G4303 SUS310S Max 0.08 Max 1.50 Max 2.00 0.045 0.03 19.0-22.0 24.0-26.0
JIS G4105 SCM 435 0.33-0.38 0.15-0.35 0.60-0.85 0.030 0.03 0.90-1.20 0.15-0.30
JIS G4105 SCM 440 0.38-0.43 0.15-0.35 0.60-0.85 0.030 0.03 0.90-1.20 0.15-0.30
JIS G4107 SNB 5 Min 0.10 Max 1.00 Max 1.00 0.040 0.03 4.00-6.00 0.40-0.65
JIS G4107 SNB 7 0.38-0.48 0.20-0.35 0.75-1.00 0.040 0.04 0.80-1.10 0.15-0.25
JIS G4107 SNB 16 0.36-0.44 0.15-0.35 0.45-0.70 0.040 0.04 0.80-1.15 0.50-0.65
JIS G4051 S45C 0.42-0.48 Max 0.40 0.60-0.90 0.040 0.035
ASTM A194 Gr 2H Min 0.40 Max 0.40 Max 1.00 0.040 0.05
ASTM A194 Gr 2HM Min 0.40 0.15-0.35 Max 1.00 0.040 0.05
ASTM A194 Gr 7M 0.37-0.49 0.15-0.35 0.65-1.10 0.040 0.04 0.75-1.20 0.15-0.25
ASTM A194 Gr 4 0.40-0.50 0.15-0.35 0.70-0.90 0.035 0.04 0.20-0.30
ASTM A194 Gr 7 0.37-0.49 0.15-035 0.65-1.10 0.040 0.04 0.75-1.20 0.15-0.25
ASTM A194 Gr 8 Max 0.06 Max 1.00 Max 2.00 0.045 0.03 8.00-10.5 18.0-20.0
ASTM A194 Gr 8M Max 0.08 Max 1.00 Max 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.00-3.00
ASTM A563 Gr A.B.C Max 0.55 0.012 0.15
ASTM A563 Gr Gr D Max 0.55 Min 0.30 0.040 0.05
ASTM A563 gR Gr DH 0.20-0.55 Min 0.60 0.040 0.05
Mechanical Requirements
Specification Grade Diameter inch (mm) Tesile Strength Min Yiled Strength Min E.L % Min R.A % Min Haedness Tempering Temp”F (“c) Min
HB H.B H.C
A193 Gr B7 2½ and under 125,000psi 100,000psi 16 50 1,100(593)
Over 2½ to 4 115,000psi 95,000psi 16 50 1,100(593)
A193 Gr B7M 2½ and under 105,000psi 80,000psi 18 50 200-235 93-99 1,150(620)
A193 Gr B16 2½ and under 125,000psi 105,000psi 18 50 253-319 25-34 1,200(650)
Over 2½ to 4 110,000psi 95,000psi 17 45 353-319 25-34 1,200(650)
A193GrB8.B8M All diameters 75,000psi 30,000psi 30 50 Max 223 Max 96
A193 Gr B6 Up to 4 110,000psi 85,000psi 15 50 1,100(593)
A320 Gr L7 2½ and under 125,000psi 105,000psi 16 50
A320 Gr L7M 2½ and under 100,000psi 80,000psi 18 50 Max 235 Max 99 1,150(620)
A320GrB8.B8M All diameters 75,000psi 30,000psi 35 50 Max 223 Max 96
A325 ½ to 1 120,000psi 92,000psi 248-331 24-35 800(427)
1⅛ to 1½ 105,000psi 81,000psi 14 35 223-293 19-31 800(427)
A354 Gr BC ¼ to 2½ 125,000psi 109,000psi 16 50 255-331 26-36 800(427)
Over 1 to 1½ 115,000psi 99,000psi 16 45 235-311 22-33 800(427)
A354 Gr BD ¼ to 2½ 150,000psi 130,000psi 14 40 311-363 33-39 800(427)
Over 1 to 1½ 140,000psi 115,000psi 14 40 293-363 31-39 800(427)
A449 ¼ to 1 120,000psi 92,000psi 14 35 255-321 25-34 800(427)
Over 1 to1½ 105,000psi 81,000psi 14 35 223-285 19-30 800(427)
Over 1½ to 3 90,000psi 58,000psi 14 35 183-235 800(427)
A490 ½ to 1½ 150-170ksi 130,000ksi 14 40 311-352 33-38 800(427)
JIS SUS 310S 53 kgf/㎟ 21kgf/㎟ 40 50 Max 187 Max 90
JIS SCM 435 95kgf/㎟ 80kgf/㎟ 15 50 269-331 29-35 (530-630)
JIS SCM 440 100kgf/㎟ 85kgf/㎟ 12 45 285-352 29-39 (530-630)
JIS SNB 5 70kgf/㎟ 56kgf/㎟ 16 50 (595)
JIS SNB 7 Up to 63(mm) 88kgf/㎟ 74kgf/㎟ 16 50 (595)
Over(63) to (100) 82kgf/㎟ 67kgf/㎟ 16 50 (595)
JIS SNB 16 Up to 63(mm) 88kgf/㎟ 74kgf/㎟ 18 50 (650)
Over (63) to (100) 77kgf/㎟ 67kgf/㎟ 17 50 (650)
JIS S45C 70kgf/㎟ 50kgf/㎟ 17 45 201-269 14.5-27 (550-650)
A194 Gr 2 159-352 Min 84 1,000(538)
A194 Gr 2H To 1½ 248-352 24-38 850(455)
Over 1½ 212-352 Min 95 Max 38 850(455)
159-237 Max 22 1,150
228-271 20-28 1,100
159-237 Max 22 1,100
248-352 24-38 1,100
126-300 60-105
A563 Gr A ¼ to 4 116-302 Min 68 Max 32
A563 Gr B ¼ to 1½ 121-302 Min 69 Max 32
A563 Gr C ¼ to 4 143-352 Min 78 Max 38 800(427)
A563 Gr D ¼ to 4 159-352 Min 84 Max 38 800(427)
A563 Gr DH ¼ to 4 248-352 24-38 800(427)

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