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BOLTS. BOLT GRADES Grade determined by number of markings + 2 Low Carbon SteelMedium Carbon Steel (hardened and tempered) Medium or High Carbon Alloy.

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Presentation on theme: "BOLTS. BOLT GRADES Grade determined by number of markings + 2 Low Carbon SteelMedium Carbon Steel (hardened and tempered) Medium or High Carbon Alloy."— Presentation transcript:

1 BOLTS

2 BOLT GRADES Grade determined by number of markings + 2 Low Carbon SteelMedium Carbon Steel (hardened and tempered) Medium or High Carbon Alloy Steel (tempered and hardened)

3 APPLIED FORCES Shear: Perpendicular to the axis Tension: Parallel to the axis

4 COMPONENTS Wrench Size Nominal Diameter Root Diameter Grip Length Thread Length Length

5 ASPECTS Head ShankRunoutThread

6 THREAD GEOMETRY

7 THREAD PARTS

8 NAMING Metric Nominal Diameter – Pitch x Length Example: x 50 In millimeters SAE (Society of Auto Engineers) Nominal Diameter – Threads per inch x Length Example: ½ - 13 x 2 In inches


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