uxcell Pinion Gear Set, 45# Carbon Steel Motor Rack Spur Gear with Step Black, 0.5 Mod 44T 8mm Bore 23mm Outer Dia, M4 Set Screws Included auspowers_batchone Inner diameter: approx

Inner diameter: approx

For heavy-duty and universal use

25 Acorn Cap Nuts

Easy Clean

uxcell Pinion Gear Set, 45# Carbon Steel Motor Rack Spur Gear with Step Black, 0.5 Mod 44T 8mm Bore 23mm Outer Dia, M4 Set Screws Included auspowers_batchone Inner diameter: approxuxcell Pinion Gear Set, 45# Carbon Steel Motor Rack Spur Gear with Step Black, 0. 5 Mod 44T 8mm Bore 23mm Outer Dia, M4 Set Screws Included Product Features Pinion Gear: Model: 0. 5 Mod; Teeth: 44T; Bore Size (Shaft Dia.): 8mm 0. 31"; Outer Dia. (Teeth Part): 23mm 0. 91"; Effective Teeth Length: 5mm 0. 2"; Step Size: 20mm x 7mm 0. 79" x 0. 28" (D*H) 45# Carbon Steel: Made of 45# carbon steel, the pinion gear has better hardness, higher strength and