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:

resolution = 0.1
slot_width = 0.511
thickness = 2
step_shape_degrees = 45
thread_step = 0.5
thread_outer_diameter = 2.5
inner_diameter = 8
non_thread_diameter = 0
outer_diameter = 14
drive_type = phillips
nut_resolution = 0.5
type = bolt
facets = 6
drive_diameter = 2.5
head_type = socket
nut_step_shape_degrees = 45
countersink = 2
texture = exclude
slot_depth = 0.511
head_height = 1.5
nut_thread_step = 2
wing_ratio = 1
nut_diameter = 12
nut_thread_outer_diameter = 9
nut_type = normal
head_diameter = 3.5
thread_length = 5
nut_height = 6
non_thread_length = 0