HabitableZone

Flame » in reply to Good point, but most commercial screws are made from similar materials.

Re: Good point, but most commercial screws are made from similar materials.

Between Home Depots supply and NASAs needs are those from an industrial supply house which will have screws and bolts in three different grades noted by small bars on he top. I believe it's 1, 5 & 8 with 8 the stronger.

They can be purchased OTC and used where you need more strength.

Log in or register to post.

The whole thread (22 posts)