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_type = normal
nut_thread_outer_diameter = 9
thread_step = 2
inner_diameter = 8
thread_length = 5
slot_width = 1.5
texture = exclude
socket_depth = 3.5
countersink = 2
head_height = 5
step_shape_degrees = 45
nut_diameter = 12
head_diameter = 16
resolution = 0.5
drive_diameter = 5
nut_step_shape_degrees = 45
type = bolt
head_type = socket
thickness = 2
facets = 6
nut_thread_step = 2
drive_type = slot
slot_depth = 2
non_thread_length = 17.8
wing_ratio = 1
outer_diameter = 14
socket_facets = 6
nut_height = 6
thread_outer_diameter = 8
non_thread_diameter = 0