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 = .8
outer_diameter = 14
nut_type = normal
drive_diameter = 5
thread_outer_diameter = 8
head_type = hex
slot_width = 1
resolution = 0.5
countersink = 2
step_shape_degrees = 45
nut_diameter = 12
wing_ratio = 1
nut_thread_step = 2
non_thread_diameter = 0
slot_depth = 2
facets = 6
socket_facets = 6
inner_diameter = 8
socket_depth = 3.5
nut_thread_outer_diameter = 9
texture = exclude
drive_type = socket
type = nut
non_thread_length = 75
thickness = 2
head_height = 3
nut_step_shape_degrees = 45
thread_length = 100
nut_height = 6
head_diameter = 8