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:

nut_diameter = 12
slot_depth = 2
drive_diameter = 5
socket_facets = 6
countersink = 2
inner_diameter = 8
thread_length = 25
head_diameter = 12
nut_height = 6
socket_depth = 3.5
slot_width = 1
nut_type = normal
head_height = 5
non_thread_length = 0
outer_diameter = 14
step_shape_degrees = 45
nut_thread_outer_diameter = 7
thread_outer_diameter = 8
thread_step = 2
wing_ratio = 1
nut_step_shape_degrees = 45
nut_thread_step = 1
head_type = hex
resolution = 0.5
drive_type = socket
texture = exclude
facets = 6
thickness = 2
non_thread_diameter = 0
type = nut