# Tutorial - Making a bolt in Solidworks?

Here is the Tutorial. The attached file is the final output.

1. ### Step 1:

Start Solidworks.

2. ### Step 2:

Right Plane>>Sketch.

3. ### Step 3:

Make a polygon circumscribed with circle dia 18mm.

4. ### Step 4:

Extrude it by 7mm.

5. ### Step 5:

We have the extruded polygon.

6. ### Step 6:

On the right plane of the polygon start a sketch. Normal View to sketch.

7. ### Step 7:

Make a circle tangent to the sides of polygon.

8. ### Step 8:

Under features tab select Extruded Cut.

9. ### Step 9:

Change extrude depth to 7mm. The draft angle to 60degree and check the flip side to cut. Click OK.

10. ### Step 10:

Now you can see the polgon has rounded edges.

11. ### Step 11:

Repeat the same steps for the other face also.

12. ### Step 12:

Click on the right side circular face of the polygon and select sketch.

13. ### Step 13:

Make a concentric circle of dia 16.6mm.

14. ### Step 14:

Extrude it by 0.60mm.

15. ### Step 15:

Select the circular face of the extruded body in previous step and select sketch.

16. ### Step 16:

Make a circle of 12mm dia concentric to previous one.

17. ### Step 17:

Extrude it by 50mm.

18. ### Step 18:

Now we have the basic body of the bolt.

19. ### Step 19:

Under features>>fillet arrow>>Chamfer.

20. ### Step 20:

Select the circular edge of the bolt.

21. ### Step 21:

Change chamfer settings to 1mm distance and 45degree.

22. ### Step 22:

Now we have the chamfered body.

23. ### Step 23:

Select this face and sketch.

24. ### Step 24:

Under Sketch Tab choose convert entities.

25. ### Step 25:

Select this edge and then click OK.

26. ### Step 26:

Again click OK to exit convert entities.

27. ### Step 27:

Under Features tab>>Curves>>Helix and Spiral.

28. ### Step 28:

Choose Defined by Height and Pitch. Change the Height Value to 46mm and pitch value to 1.75mm keep other settings default.

29. ### Step 29:

Click OK and we can see that helix has been creted.

30. ### Step 30:

Top Plane>>Sketch.

31. ### Step 31:

Make a equilateral triangle of side 1.7mm with one point coincident to the edge of the bolt.

32. ### Step 32:

Under Features tab choose Swept cut.

33. ### Step 33:

Choose the triangle sketch as profile.

34. ### Step 34:

Choose helix as the path of the swept cut. Click OK.

35. ### Step 35:

Now we are done, we have the bolt created.