Back again. Upon looking for correct drill bits for hinge frame and hinge arm ( I assume the cast j-shaped piece). I have found conflicting suggestions (Deve says 11/32 for arm and R for hinge frame in one post, then 11/32 for hinge frame and R for arm in another??). Can anyone straighten me out? What are the correct drill sizes? I also saw the spring holes in the arm are 15/64”.