uxcell Pinion Gear Set, Brass Motor Rack Straight Spur Gear with Step, 0.5 Mod 40T 6.35mm Bore 21mm Outer Dia, M3 Set Screws Included industrial uxcell Bearing Sleeve 8mm Bore

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uxcell Pinion Gear Set, Brass Motor Rack Straight Spur Gear with Step, 0.5 Mod 40T 6.35mm Bore 21mm Outer Dia, M3 Set Screws Included industrial uxcell Bearing Sleeve 8mm Boreuxcell Pinion Gear Set, Brass Motor Rack Straight Spur Gear with Step, 0. 5 Mod 40T 6. 35mm Bore 21mm Outer Dia, M3 Set Screws Included Product Features Pinion Gear: Model: 0. 5 Mod; Teeth: 40T; Bore Size (Shaft Dia.): 6. 35mm 0. 25"; Outer Dia. (Teeth Part): 21mm 0. 83"; Effective Teeth Length: 5mm 0. 2"; Step Size: 18mm x 5mm 0. 71" x 0. 2" (D*H) Brass Parts: The brass pinion gear has strong wear resistance, high strength, high hardness and chemical