Ductile Iron Twist Bar

[plan101]

Ok ...It's a new Semester..Here i go into liberal Arts

[AzzyAsi]

to test break point at twist, the twist must be made in one go without relaxing the material.

[muddwell]

Wow, this is 1 day before 9/11.

[kalevraa]

neat. now let's see it bigger, better, using a 1" drive impact tool and a torch.