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2301 Series Brass, MOD 0.8, D-Bore, Set Screw Pinion Gear (6mm D-Bore, 20 Tooth)


This 20 tooth, MOD 0.8 gear will mate with any MOD 0.8 gear.  However when building on pattern, the most common partner for this gear is a 100 tooth hub gear.  This combo will create a 5:1 ratio, underdrive or overdrive depending on whether you’re set out to increase the speed or maximize torque.



Weight 16g
Material Brass
Tooth Count 20
Gear Pitch MOD 0.8
Pressure Angle 20 Degree