Thanks everyone for all the answers.
I did get one on Amazon that was 3/8 with an adapter for my 1/4 hex bit.
I didn't realize that the 1/4 was too small for that much force.
I have some confusion about torque wrenches. I can't find a 1/4 inch drive torque wrench that goes up to 50NM.
I just purchased Hope Ebikes cranks and the directions said tighten to 50NM.
My torque wrench goes up to about 20 nm, so I went to Lowe's and they only had ones that did in-lb. When I...