3mm x 20mm, .5 pitch

thingiverse

Customized version of http://www.thingiverse.com/thing:193647 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=193647 Instructions Using the following options: thread_step is set to .5 nut_height is fixed at 6 type is defined as bolt socket_facets equals 6 step_shape_degrees is precisely 45 thickness is a constant 2 outer_diameter is exactly 14 inner_diameter is precisely 8 head_type is clearly socket drive_diameter measures 3 wing_ratio stands at 1 facets amount to 6 nut_diameter measures 12 head_diameter is a fixed 5 socket_depth reaches 3.5 drive_type remains socket thread_length extends 30 thread_outer_diameter is precisely 3 nut_type holds normal texture is excluded by design nut_thread_step jumps to 2 resolution stands at an exact .5 nut_step_shape_degrees maintains its value of 45 non_thread_diameter sits at 0 countersink is set at a precise 2 slot_width stays firmly at 1 non_thread_length remains precisely 0 nut_thread_outer_diameter holds steady at 9 slot_depth reaches an exact 2 head_height holds fast at 3