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:

inner_diameter = 8
head_type = hex
step_shape_degrees = 45
drive_type = socket
thickness = 2
non_thread_length = 40
resolution = 0.5
thread_length = 20
nut_height = 6
countersink = 2
socket_facets = 6
texture = exclude
head_diameter = 12
nut_type = normal
socket_depth = 3.5
nut_diameter = 12
drive_diameter = 5
thread_step = 2
thread_outer_diameter = 8
outer_diameter = 14
nut_step_shape_degrees = 45
facets = 6
head_height = 5
wing_ratio = 1
type = bolt
nut_thread_step = 2
nut_thread_outer_diameter = 9
non_thread_diameter = 0
slot_width = 1
slot_depth = 2