Torque, TAP and DIe

Bolt identification

28 pitch thread size

1/4th drill bit size

grade 5 bolt

24 pitch thread size

5/16th drill bit size

grade 12 bolt

14 pitch thread size

7/16th drill bit

we used a 1/4th drill bit a 5/15th drill bit and a 7/16th drill bit

determining the proper size of the bolt

20240404_111523.mp4

5/16th drill bit

20240404_111550.mp4

1/4th drill bit

20240404_114020.mp4

7/16th drill bit

5/16th with a 24 thread pitch

1/4th with a 28 thread pitch

torque identification chart

math specification

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