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_outer_diameter = 4
nut_step_shape_degrees = 30
facets = 6
wing_ratio = 1
countersink = 2
thread_length = 20
head_diameter = 12
slot_width = 1
thickness = 2
inner_diameter = 8
nut_type = normal
outer_diameter = 14
non_thread_diameter = 0
type = nut
non_thread_length = 5
drive_type = socket
resolution = 0.1
texture = exclude
thread_step = 0.7
head_height = 5
nut_thread_step = 0.7
nut_diameter = 12
nut_thread_outer_diameter = 5
head_type = hex
drive_diameter = 6
step_shape_degrees = 30
nut_resolution = 0.1
nut_height = 6
slot_depth = 2