DISC-FRICTION 1776766 - Caterpillar

Table 1
Thread Size
Inch Torque(1)
N m lb ft
5/8 inch 270 40 200 30
3/4 inch 475 60 350 45
7/8 inch 750 90 550 65
1 inch 1150 150 850 110
1 1/4 inch 2300 300 1700 220
(1) These values are only for Caterpillar bolts for cutting edges.
Personal injury can result when installing plow bolts. The appropriate safety equipment must be worn when striking the plow bolts. To avoid injury to your eyes and ears, wear protective glasses and hearing protection during this procedure.
Illustration 1 g00909058
View of a typical plow bolt
Plow bolts must be installed properly. Refer to the following procedure for the correct installation of plow bolts.
Clean all surfaces that contact the bolt. Remove all occurrences of the following conditions:rust, paint, nicks and burrs
Tighten the nut to the correct torque. Refer to Table 1 for the correct torque.
Use a hammer to strike the head of the bolt. The bolt must be struck with significant force. Note: The head of the bolt may be recessed below the mounting surface. Use a suitable punch in order to transfer the hammer blow to the bolt head.
Tighten the nut to the correct torque. Refer to Table 1 for the correct torque.