Page 493 - 日本前田TONE
P. 493
British Standard Whitworth (UK) Unified Thread Standard (US)
Major diameter Hexagon bolt nut High strength Hexagon socket Hexagon socket
Hexagon Major diameter S1 hexagon bolt head cap screw set screw
bolt nut S1 S2 S2
Nominal mm S1mm Nominal
length length inch mm inch mm inch mm inch mm inch mm
W1/8 3.175 6 No.0 0.0600 1.524 0.050 1.270 0.028 0.711
W5/32 3.969 8 No.1 0.0730 1.854 1/16 1.588 0.035 0.889
W3/16 4.763 8 No.2 0.0860 2.184 5/64 1.984 0.035 0.889
W1/4 6.350 10 No.3 0.0990 2.515 5/64 1.984 0.050 1.270
W5/16 7.938 14 No.4 0.1120 2.845 3/32 2.381 0.050 1.270
W3/8 9.525 17 No.5 0.1250 3.175 3/32 2.381 1/16 1.588
W7/16 11.113 19 No.6 0.1380 3.505 7/64 2.778 1/16 1.588
W1/2 12.700 21 No.8 0.1640 4.166 9/64 3.572 5/64 1.984
W5/8 15.875 26 No.10 0.1900 4.826 5/32 3.969 3/32 2.381
W3/4 19.050 32 1/4 0.2500 6.350 7/16 11.113 1/2 12.700 3/16 4.763 1/8 3.175
W7/8 22.225 35 5/16 0.3125 7.938 1/2 12.700 9/16 14.288 1/4 6.350 5/32 3.969
W1" 25.400 41 3/8 0.3750 9.525 9/16 14.288 11/16 17.463 5/16 7.938 3/16 4.763
W1-1/8 28.575 46 7/16 0.4375 11.113 5/8 15.875 3/4 19.050 3/8 9.525 7/32 5.556
W1-1/4 31.750 50 1/2 0.5000 12.700 3/4 19.050 7/8 22.225 3/8 9.525 1/4 6.350
W1-3/8 34.925 54 9/16 0.5625 14.288 13/16 20.638 15/16 23.813
W1-1/2 38.100 58 5/8 0.6250 15.875 15/16 23.813 1-1/16 26.988 1/2 12.700 5/16 7.938
W1-5/8 41.275 63 3/4 0.7500 19.050 1-1/8 28.575 1-1/4 31.750 5/8 15.875 3/8 9.525
W1-3/4 44.450 67 7/8 0.8750 22.225 1-5/16 33.338 1-7/16 36.513 3/4 19.050 1/2 12.700
W1-7/8 47.625 71 1 1.0000 25.400 1-1/2 38.100 1-5/8 41.275 3/4 19.050 9/16 14.288
W2" 50.800 77 1-1/8 1.1250 28.575 1-11/16 42.863 1-13/16 46.038 7/8 22.225 9/16 14.288
W2-1/4 57.150 85 1-1/4 1.2500 31.750 1-7/8 47.625 2 50.800 7/8 22.225 5/8 15.875
W2-1/2 63.500 95 1-3/8 1.3750 34.925 2-1/16 52.388 2-3/16 55.563 1 25.400 5/8 15.875
W2-3/4 69.850 105 1-1/2 1.5000 38.100 2-1/4 57.150 2-3/8 60.325 1 25.400 3/4 19.050
W3" 76.200 110 1-5/8 1.6250 41.275 2-7/16 61.913 2-9/16 65.088
W3-1/4 82.550 120 1-3/4 1.7500 44.450 2-5/8 66.675 2-3/4 69.850 1-1/4 31.750 1 25.400
W3-1/2 88.900 130 1-7/8 1.8750 47.625 2-13/16 71.438 2-15/16 74.613
W3-3/4 95.250 135 2 2.0000 50.800 3 76.200 3-1/8 79.375 1-1/2 38.100 1 25.400
W4" 101.600 145 2-1/4 2.2500 57.150 3-3/8 85.725 3-1/2 88.900 1-3/4 44.450
W4-1/4 107.950 155 2-1/2 2.5000 63.500 3-3/4 95.250 3-7/8 98.425 1-3/4 44.450
W4-1/2 114.300 165 2-3/4 2.7500 69.850 4-1/8 104.775 4-1/4 107.950 2 50.800
W4-3/4 120.050 175 3 3.0000 76.200 4-1/2 107.950 4-5/8 117.475 2-1/4 57.150
W5" 127.000 180 3-1/4 3.2500 82.550 4-7/8 123.875 5 127.000 2-1/4 57.150
3-1/2 3.5000 88.900 5-1/4 133.350 5-3/8 136.525 2-3/4 69.850
3-3/4 3.7500 95.250 5-5/8 142.875 5-3/4 146.050 2-3/4 69.850
Hexagon socket cap
Hexagon bolt 4 4.0000 101.600 6 Hexagon socket head cap screw 3 76.200
155.575
152.400 6-1/8
Hexagon nut
low head bolt
※ 1. For hex bolts and high strength hex bolts, refer to ASME B18.2.1. For hex nuts, refer to ASME B18.2.2.
※ 2. For hex head cap screws and hex head cap set screws, refer to ASME B18.3.
Hexagon bolt Hexagon nut Hexagon socket head cap screw Hexagon socket cap
low head bolt
Hexagon bolt Hexagon nut Hexagon socket head cap screw Hexagon socket cap
low head bolt
Hexagon socket Square head bolt Square head
set screw set screw
Hexagon socket Square head bolt Square head
set screw set screw
Hexagon socket Square head bolt Square head
set screw set screw
Hexagon socket head Hexagon socket
shoulder screw button head screw
Hexagon socket head Hexagon socket
shoulder screw button head screw 491
Hexagon socket head Hexagon socket
shoulder screw button head screw
Socket head cap screw Socket head set screw Socket head small screw
Socket head cap screw Socket head set screw Socket head small screw
E-type flange head screw E-type flange head nut
Socket head cap screw Socket head set screw Socket head small screw
E-type flange head screw E-type flange head nut
E-type flange head screw E-type flange head nut
