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_height = 4.5
resolution = 0.5
nut_step_shape_degrees = 45
nut_type = normal
head_type = hex
thread_length = 5
wing_ratio = 1
thread_step = 2
slot_depth = 2.5
nut_thread_step = 2
head_diameter = 12
texture = exclude
drive_diameter = 5
inner_diameter = 9.9
thread_outer_diameter = 9.5
head_height = 4.5
non_thread_length = 16.8
type = bolt
nut_diameter = 13.5
facets = 6
nut_thread_outer_diameter = 10.5
countersink = 2
outer_diameter = 13
socket_facets = 6
thickness = 1
step_shape_degrees = 45
non_thread_diameter = 0
slot_width = 4
socket_depth = 3.5
drive_type = slot