Customized version of http://www.thingiverse.com/thing:193647

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=193647

Using the following options:

thread_step = 1
nut_type = normal
inner_diameter = 8
outer_diameter = 14
nut_thread_outer_diameter = 9
non_thread_length = 1
nut_height = 2
head_height = 1
type = rod
thread_length = 6
countersink = 2
nut_resolution = 0.5
nut_step_shape_degrees = 45
resolution = .5
nut_diameter = 10
head_type = countersunk
thread_outer_diameter = 8
nut_thread_step = 1
non_thread_diameter = 12
head_diameter = 10
thickness = 2
socket_diameter = 2
step_shape_degrees = 45