| Gearbox |
Recommended Common Screw Diameter |
HOn3-Scale
#713 or 714 Coupler |
0-48 or 0-80 screws are the most commonly used screws. |
HO-Scale
#711 or 712 Coupler |
0-48 or 0-80 screws are the most commonly used screws. |
HO-Scale
#9 Couplers |
0-48 or 0-80 screws are the most commonly used screws. |
HO-Scale
#213, 233, 242, 252, 262 Gearbox |
2-56 screws are the most commonly used for center hole. |
HO-Scale
#232 & 234 Gearbox |
2-56 screws are the most commonly used for center hole.
0-48 or 0-80 screws are used for side holes. |
HO-Scale
#178 Coupler |
2-56 screws are the most commonly used for center hole.
0-48 or 0-80 screws are used for rear hole. |
S-Scale
#802 or 808 Coupler |
0-48 or 0-80 screws are the most commonly used screws. |
On3-Scale
#803 or 807 Coupler |
0-48 or 0-80 screws are the most commonly used screws. |
O-Scale
#806 or 743 Coupler |
2-56 screws are the most commonly used screws. |
O-Scale
#817 or 817 type Gearbox |
2-56 screws are the most commonly used screws. |
#1-Scale
#821, 921 or 1917 Coupler |
2-56 screws are the most commonly used screws. |
#1-Scale
#1920 or 820 type Gearbox |
4-40 screws are the most commonly used screws. |
#1 & G-Scale
#911 or 831 type Gearbox |
4-40 screws are the most commonly used screws. |
#1 & G-Scale
#912 or 835 type Gearbox |
4-40 screws are the most commonly used screws. |
#1 & G-Scale
#913 or 832 type Gearbox |
4-40 screws are the most commonly used screws. |
#1 & G-Scale
#915 Gearbox |
4-40 screws are the most commonly used screws. |
G-Scale
#910 or 830 type Gearbox |
4-40 screws are the most commonly used screws. |
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