User Manual

SEEDHAWK®TOOLBAROPERATOR’SMANUAL19
3.0 SPECIFICATIONS
3.1 HARDWARETORQUE

NOTE: DO NOT use the values in the Bolt Torque Charts if a different torque value or
tighteningprocedureisgivenforaspecificapplication.
3.1.1 SAE
BoltDiameter BoltTorque

inches
SAE5
N∙m(lb‐ft)
SAE8
N∙m(lb‐ft)
1/4 11(8) 16(12)
5/16 23(17) 33(24)
3/8 41(30) 61(45)
7/16 68(50) 95(70)
1/2 110(80) 155(115)
9/16 149(110) 210(155)
5/8 203(150) 285(210)
3/4 366(270) 508(375)
7/8 536(395) 827(610)
1 800(590) 1234(910)

3.1.2 METRIC
BoltDiameter BoltTorque

mm
8.8
N∙m(lb‐ft)
10.9
N∙m(lb‐ft)
M3 0.5(0.4) 1.8(1.3)
M4 3(2.2) 4.5(3.3)
M5 6(4) 9(7)
M6 10(7) 15(11)
M8 25(18) 35(26)
M10 50(37) 70(52)
M12 90(66) 125(92)
M14 140(103) 200(148)
M16 225(166) 310(229)
M20 435(324) 610(450)
M24 750(555) 1050(774)
M30 1495(1103) 2100(1550)
M36 2600(1917) 3675(2710)

3.1.3 FLARE‐TYPETUBEFITTINGS
TubeSize
OD

in
NutSize
acrossflats

in
Torque


N∙m(lb‐ft)
Recommended#Turns(afterfingertightening)
turns(flats)
3/16 7/16 8(6) 1/6(1)
1/4 9/16 12(9) 1/6(1)
5/16 5/8 16(12) 1/6(1)
3/8 11/16 24(18) 1/6(1)
1/2 7/8 46(34) 1/6(1)
5/8 1 62(46) 1/6(1)
3/4 1‐1/4 102(75) 1/8(0.75)
7/8 1‐3/8 122(90) 1/8(0.75)