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:

head_diameter = 12
nut_type = normal
socket_depth = 3.5
drive_diameter = 5
slot_depth = 2
drive_type = socket
facets = 6
nut_thread_step = 2
nut_height = 6
non_thread_length = 0
socket_facets = 6
type = rod
thread_outer_diameter = 9.8
step_shape_degrees = 45
thread_length = 8
wing_ratio = 1
nut_thread_outer_diameter = 9
countersink = 2
outer_diameter = 14
head_type = hex
inner_diameter = 8
texture = exclude
head_height = 5
resolution = 0.5
thickness = 2
non_thread_diameter = 0
thread_step = .8
nut_diameter = 12
nut_step_shape_degrees = 45
slot_width = 1