Mechanical Design Dimensions and Features Standard - jrsteensen/OpenHornet GitHub Wiki

This page will document standard hole sizes and feature dimensions used within OH. These should be used unless there is a sound design reason for deviation. These are only to be used for design reference, and not for manufacturing reference since the designer may have deviated.

Heat-Set Plastic Inserts

#0-80 HEAT SET INSERT (McMaster PN: 93365A102)

• Tapered Hole: Blind, Ø .118 Minor, .115 Depth, Ø .129 Major
• Resin Print: Simple Hole: Blind, Ø .159 X .12 Depth

#2-56 HEAT SET INSERT (McMaster PN: 93365A110)

• Tapered Hole: Blind, Ø .118 Minor, .115 Depth, Ø .129 Major
• Resin Print: Simple Hole: Blind, Ø .141 X .12 Depth

#4-40 HEAT SET INSERT (McMaster PN: 93365A120)

• FDM Print: Tapered Hole: Blind, Ø .153 Minor, .135 Depth, Ø .163 Major
• Resin Print: Simple Hole: Blind, Ø .172 X .150 Depth

#6-32 HEAT SET INSERT (McMaster PN: XXX)

• Tapered Hole: Blind, Ø .203 Minor, .150 Depth, Ø .219 Major

#8-32 HEAT SET INSERT (McMaster PN: XXX)

• FDM Print: Tapered Hole: Blind, Ø .226 Minor, .185 Depth, Ø .236 Major
• Resin Print: Simple Hole: Blind, Ø .25 X .190 Depth

MDF Screws

#8 MDF SCREW

• Model: 9025A11X
• .750 L: 9025A111
• 1.00 L: 9025A112
• 1.50 L: 9025A115
• 2.00 L: 9025A118
• CSK Hole: Blind, Hole Ø .125, 1.50 Depth, CSK Ø .400, CSK Angle 82°, Drill Depth 118°