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_step_shape_degrees = 45
nut_height = 6
non_thread_diameter = 0
thread_length = 25
nut_resolution = 0.5
resolution = 0.1
non_thread_length = 10
nut_thread_outer_diameter = 9
head_diameter = 15
drive_diameter = 6
thread_step = 1.5
slot_depth = 2
thread_outer_diameter = 10
thickness = 2
type = bolt
slot_width = 1
outer_diameter = 14
head_type = hex
nut_thread_step = 2
wing_ratio = 1
drive_type = socket
inner_diameter = 8
texture = exclude
facets = 6
step_shape_degrees = 30
nut_type = normal
head_height = 5
nut_diameter = 12
countersink = 2