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:

slot_width = 0
step_shape_degrees = 45
thread_length = 10
head_height = 5
nut_step_shape_degrees = 45
drive_type = socket
thickness = 2
resolution = 0.5
facets = 6
head_type = socket
thread_outer_diameter = 6
non_thread_length = 0
nut_resolution = 0.5
nut_type = normal
type = bolt
nut_thread_outer_diameter = 9
nut_thread_step = 2
texture = include
thread_step = 1
countersink = 2
non_thread_diameter = 0
head_diameter = 8
nut_diameter = 12
nut_height = 6
drive_diameter = 0
outer_diameter = 14
wing_ratio = 1
slot_depth = 0
inner_diameter = 8