Smittybilt 2740 I-Rack - Manual (Page 5)

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Smittybilt, 400 W Artesia, Compton, CA 90220
Installation Instructions:
(Part # SB2740)
I-Rack
(Intelligent Racking System)
Revised 12.8.09
Bolt Torque and ID
Decimal System Metric System
All Torques in Ft. Lbs.
Bolt Size Grade 5 Grade8 Bolt Size Class 9.8 Class 10.9 Class 12.9
5/16 15 20 M6 5 9 12
3/8 30 45 M8 18 23 27
7/16 45 60 M10 32 45 50
1/2 65 90 M12 55 75 90
9/16 95 130 M14 85 120 145
5/8 135 175 M16 130 165 210
3/4 185 280 M18 170 240 290
1/2-13x1.75 HHCS Grade 5 Grade 8 M12-1.25x50 HHCS
(No. of Marks + 2)
G = Grade (Bolt Strength) P = Property Class (Bolt Strength)
D = Nominal Diameter (Inches) D = Nominal Diameter (M illimeters)
T = Thread Count (Threads per Inch) T = Thread Pitch (Thread Width, mm)
L = Length (Inches) L = Length (M illimeters)
X = Description (Hex Head Cap Screw) X = Description (Hex Head Cap Screw)
D D
L L
T T
D T L X D T L X
G P
Product cleaning and maintenance instructions
Stainless Steel Finish – Aluminum polish may be used to polish small scratches and scuffs on the finish. Mild
soap, window or glass cleaner may be used to clean the finish. Dual state powder coat finish – Mild soap, win-
dow or glass cleaner may be used to clean the finish. In order to protect the finish, you may wax your product on a
regular basis with pure carnauba automotive wax. Do not use any types of soap, polish or was that contains abra-
sive that could damage the finish. Textured coated finishes should be cleaned with a mild soap on a damp
sponge. Do not apply polish or was that requires to be removed by means of buffing. This type of wax is com-
monly used at car wash facilities. Chrome Finish – Mild soap, window or glass cleaner may be used to clean the
finish. In order to protect the finish you should wax your product on a regular basis with pure carnauba automotive
wax. Do not use any types of soap, polish or was that contains abrasive that could damage the finish.