1.13
GENERAL INFORMATION
1
9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
© Copyright 2011 Polaris Sales Inc.
Standard Bolt Torque Specification
Metric Bolt Torque Specification
Bolt Size
Grade 2
Ft. Lbs. (Nm)
Grade 5
Ft. Lbs. (Nm)
Grade 8
Ft. Lbs. (Nm)
1/4-20 5 (7) 8 (11) 12 (16)
1/4-28 6 (8) 10 (14) 14 (19)
5/16-18 11 (15) 17 (23) 25 (35)
5/16-24 12 (16) 19 (26) 29 (40)
3/8-16 20 (27) 30 (40) 45 (62)
3/8-24 23 (32) 35 (48) 50 (69)
7/16-14 30 (40) 50 (69) 70 (97)
7/16-20 35 (48) 55 (76) 80 (110)
1/2-13 50 (69) 75 (104) 110 (152)
1/2-20 55 (76) 90 (124) 120 (166)
Bolt Size
Grade
4.6 4.8 8.8 / 8.9 10.9 12.9
Ft. Lbs. (Nm) Dry Threads
M3 .3 (.5) .5 (.7) 1 (1.3) 1.5 (2) 1.5 (2)
M4 .8 (1.1) 1 (1.5) 2 (3) 3 (4.5) 4 (5)
M5 1.5 (2.5) 2 (3) 4.5 (6) 6.5 (9) 7.5 (10)
M6 3 (4) 4 (5.5) 7.5 (10) 11 (15) 13 (18)
M8 7 (9.5) 10 (13) 18 (25) 26 (35) 33 (45)
M10 14 (19) 18 (25) 37 (50) 55 (75) 63 (85)
M12 26 (35) 33 (45) 63 (85) 97 (130) 11 (150)
M14 37 (50) 55 (75) 103 (140) 151 (205) 177 (240)
M16 59 (80) 85 (115) 159 (215) 232 (315) 273 (370)
M18 81 (110) 118 (160) 225 (305) 321 (435) 376 (510)
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