What kind of torque wrench do I need for lug nuts?

Sometimes for small wrenches, inch-pounds are also used. Based on the type of vehicle that you have, you have to choose the appropriate torque wrench for lug nuts. This is the smallest size torque wrench used for very small bolts.

What kind of torque does a wheel nut have?

All Models Except: 2010-8088 328xi Wagon – 1 AZ wheel bolt, 3 AZ wheel bolt 201189 328xi Wagon – 2 AZ wheel lug studs to wheel hub 201159 328CiC, 328i, 328xi 2012-2011120 550iGT, 740i 2011103 650i, 750Li, I, M6 2010-06103 745Li, i 2005-02103 760Li, i 2008-03103 1 Series M 2011120 128i, 135i, 335Cic, 335d, 335i, 335is, 335xi 2012-11120

How to calculate the torque of a metric bolt?

TORQUE CONVERSION – Ft. Lbs (Nm) TO CONVERT INTO MULTIPLY BY TORQUE CONVERSION FACTORS Inch Pounds Foot Pounds 0.0835 Inch Pounds Newton Meters 0.1130 Inch Pounds Kg Meters 0.0115 Inch Pounds Kg Centimeters 1.1519 Foot Pounds Inch Pounds 12.000 Foot Pounds Newton Meters 1.3560 Foot Pounds Kg Meters 0.1382 Foot Pounds Kg Centimeters 13.8240

Why does preload affect the torque of a bolt?

Due to preload uncertainty, the actual preload applied to the bolt may be more or less than the nominal value. Due to preload relaxation, there will be some loss in the preload after the joint is installed. The table below summarizes the preload values.

What is the correct torque for a SAE J429 bolt?

SAE J429 governs imperial sizes, while ISO 898 governs metric-size bolts. 1/4 to 3/4in. >3/4 to 1 1/2in. For imperial bolts, grades 5 and 8 are most common. SAE J429 conforming bolts will have radial markings machined on the head of the bolt that indicate bolt grade.