Hello guys I will show how create a 3dsmax 3d wrench model tutorial.
I have used following techniques shown below in this 3ds max tutorial.

[1]-Start 3dsmax and choose "Line" create a shape like this
     In the top view port
3dsmax-3d-wrench-model-tutorial1

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[2]-Apply the extrude modifier with the amount of 0.5
3dsmax-3d-wrench-model-tutorial3

[3]-Your object should like this
3dsmax-3d-wrench-model-tutorial4

[4]-Create another rectangle and apply the extrude modifier with the amount of 2.5
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3dsmax-3d-wrench-model-tutorial6

[5]-Now place like me
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[6]-Switch to the boolean and now boolean the small rectangle like this
3dsmax-3d-wrench-model-tutorial8

3dsmax-3d-wrench-model-tutorial9

[7]-Your object should like this
3dsmax-3d-wrench-model-tutorial10

[8]-Create cylinder with the following size and place like me
3dsmax-3d-wrench-model-tutorial11

3dsmax-3d-wrench-model-tutorial12

[9]-Create helix with the following size and place like me
3dsmax-3d-wrench-model-tutorial13

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[10]-Now your object should like this
3dsmax-3d-wrench-model-tutorial15

[11]-I am merge two bolt in my mode collection and place like me
3dsmax-3d-wrench-model-tutorial16

[12]-This is the final image
3dsmax-3d-wrench-model-tutorial17