METRO BOLTS

329 Swan Street Richmond PH: (03) 9429 3099

Technical

THREAD AND TORQUE CHART

NOM Ø BSW UNC UNF NOM Ø METRIC
T.P.I M/STL
lbs.ft.
T.P.I GR 5 lbs.ft. GR 8 lbs.ft. T.P.I GR5 lbs.ft. GR8 lbs.ft. PITCH COARSE PC 4.6 Nm PC 8.8 Nm PC 10.9 Nm PITCH FINE PC 8.8 Nm
3/16 24 1.2 24     32     M5 0.80 2.1 5 8 0.50  
1/4 20 3 20 7 10 28 8 12 M6 1 3.5 9 13 0.75
5/16 18 6 18 15 21 24 17 23 M8 1.25 9 22 32 1 24
3/8 16 12 16 27 38 24 30 43 M10 1.50 17 44 63 1.25 51
7/16 14 19 14 43 60 20 48 67 M12 1.75 30 76 110 1.25 92
1/2 12 28 13 66 92 20 74 104 M14 2 47 121 174 1.50 132
9/16 12 40 12 95 135 18 105 150 M16 2 73 190 270 1.50 201
5/8 11 55 11 130 180 18 150 210 M18 2.50 101 270 372 1.50 304
3/4 10 98 10 230 330 16 260 360 M20 2.50 145 380 530 1.50 424
7/8 9 160 9 370 530 14 410 580 M24 3 250 660 910 2 718
1 8 240 8 560 790 12 610 860 M30 3.5 490 1310 1820    
1.1/8 7 330 7 690 1120 12 770 1250 M36 4 860 2300 3170
1.1/4 7 470 7 970 1580 12 1080 1750 M39 4 1115 2971  
1.3/8 6 617 6 1270 2060 12 1450 2350 M42 4.5 1380 3671
1.1/2 6 820 6 1690 2740 12 1900 3080 M48 5 2065 5500
1.3/4 5 1295 5           M56 5.5 3340 8870
2 4.5 1950 4.5 M64 6 5030 13376