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:

facets = 6
outer_diameter = 14
drive_diameter = 10
nut_thread_step = 3
inner_diameter = 8
head_type = socket
thread_step = 3
resolution = 0.5
slot_depth = 2
drive_type = socket
type = bolt
nut_height = 18
wing_ratio = 1
thread_outer_diameter = 20
socket_depth = 3.5
slot_width = 1
non_thread_diameter = 0
socket_facets = 6
texture = exclude
head_diameter = 35
nut_step_shape_degrees = 45
nut_diameter = 35
thread_length = 50
head_height = 20
countersink = 2
step_shape_degrees = 45
nut_type = normal
thickness = 2
nut_thread_outer_diameter = 21
non_thread_length = 0