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ABBREVIATIONS USED IN THIS MANUAL

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STANDARD BOLT TORQUE SPECIFICATIONS<br />

HOW TO DETERM<strong>IN</strong>E BOLT STRENGTH<br />

Hexagon<br />

head bolt<br />

Hexagon<br />

flange bolt<br />

w/ washer<br />

hexagon bolt<br />

4<br />

Mark Class Mark Class<br />

Bolt<br />

head No.<br />

Hexagon<br />

head bolt Two<br />

protruding<br />

lines<br />

Hexagon<br />

flange bolt<br />

w/ washer<br />

hexagon bolt<br />

4-<br />

5-<br />

6-<br />

7-<br />

8-<br />

9-<br />

10-<br />

11-<br />

4T<br />

5T<br />

6T<br />

7T<br />

8T<br />

9T<br />

10T<br />

11T<br />

No mark 4T<br />

No mark 4T<br />

Two<br />

protruding<br />

lines<br />

Hexagon<br />

head bolt Three<br />

protruding<br />

lines<br />

Hexagon<br />

head bolt Four<br />

protruding<br />

lines<br />

<strong>IN</strong>TRODUCTION - Standard Bolt Torque Specifications<br />

5T<br />

Stud bolt<br />

6T Welded bolt<br />

7T<br />

8T<br />

No mark<br />

Grooved<br />

4T<br />

6T<br />

4T<br />

<strong>IN</strong>-7

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