Case 2050M Tier 4A interim - Torque Specifications; Minimum Tightening Torques

INTRODUCTION
Torque-Minimumtighteningtorquesfornormalassembly
2050MNA
Decimalhardware
Grade5bolts,nutsandstuds
Size
Nm
lbin/lbft
1/4in
12-15Nm108-132lbin
5/16in
23-28Nm204-252lbin
3/8in
48-57Nm420-504lbin
7/16in
73-87Nm
54-64lbft
1/2in
109-130Nm
80-96lbft
9/16in
149-179Nm
110-132lbft
5/8in
203-244Nm
150-180lbft
3/4in
366-439Nm
270-324lbft
7/8in
542-651Nm
400-480lbft
1in787-944Nm
580-696lbft
1-1/8in
1085-1193Nm
800-880lbft
1-1/4in
1519-1681Nm
1120-1240lbft
1-3/8in
1980-2278Nm
1460-1680lbft
1-1/2in
2631-2983Nm
1940-2200lbft
Grade8bolts,nutsandstuds
Size
Nm
lbin/lbft
1/4in
16-20Nm144-180lbin
5/16in
33-39Nm288-348lbin
3/8in
61-73Nm540-648lbin
7/16in
95-114Nm
70-84lbft
1/2in
149-179Nm
110-132lbft
9/16in
217-260Nm
160-192lbft
5/8in
298-358Nm
220-264lbft
3/4in
515-618Nm
380-456lbft
7/8in
814-976Nm
600-720lbft
1in1220-1465Nm
900-1080lbft
1-1/8in
1736-1953Nm
1280-1440lbft
1-1/4in
2468-2712Nm
1820-2000lbft
1-3/8in
3227-3688Nm
2380-2720lbft
1-1/2in
4285-4827Nm
3160-3560lbft
NOTE:UsethicknutswithGrade8bolts.
Metrichardware
Grade8.8bolts,nutsandstuds
Size
Nm
lbin/lbft
4mm3-4Nm24-36lbin
5mm
7-8Nm60-72lbin
6mm11-12Nm96-108lbin
8mm26-31Nm228-276lbin
10mm52-61Nm456-540lbin
12mm90-107Nm
66-79lbft
14mm144-172Nm
106-127lbft
16mm217-271Nm
160-200lbft
20mm434-515Nm
320-380lbft
24mm675-815Nm
500-600lbft
30mm1250-1500Nm
920-1100lbft
36mm2175-2600Nm
1600-1950lbft
4790787120/10/2015
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