Torque specifications, Sae nut markings, Sae bolt head markings – Lull 1044C-54 Series II Service Manual User Manual
Page 54

General Maintenance
3-10
31200079
Torque Specifications
General Torques for Standard Bolts, Capscrews, and Nuts
Figure 3-2 and Figure 3-3 lists torque values for standard bolts and nuts.
They are intended as a guide for typical applications. Values for specific
applications take precedence over those in the following tables.
Note:
Values are for plated or lubricated bolts and nuts.
Fig. 3-1: SAE Grade Identification
SAE GRADE 2
SAE GRADE 5
SAE GRADE 5.1
SAE GRADE 5.2
SAE GRADE 8.2
SAE GRADE 8
SAE BOLT HEAD MARKINGS
SAE NUT MARKINGS
SAE GRADE 2 (NO MARK)
SAE GRADE 5
SAE GRADE 8
Y
1001
Y
100
0