so that prevent your floor surface from scratching
Drilling Diameter: 38mm / 1
Static Load Rating (Cor): 60300N
Gear Box Shaft Speed: 6RPM
The tapered plug is in size of: Bottom Diameter: 15mm / 0
Step Spur Gear 10mm Inner Aperture 15T 1.5 Module Cast Iron Motor Gear M3x7.5mm 8x8mm so that prevent your floor1. The pinion motor gear is made of Cast Iron, more stable, anti wear, strong and durable, and durable in use. 2. Specifications: Material: Cast Iron, Teeth: 15T, Gear Step Diameter: 18mm 0. 71inch, Gear Step Height: 12mm 0. 47inch, Outer Diameter: 25. 5mm 1inch, Aperture: 10mm 0. 39inch, Effective Tooth Length: 15mm 0. 59inch, Total Thickness: 27mm 1. 06inch, Module: 1. 5 Mod, Pressure Angle: 20 3. The pinion gear aperture is 10mm and the module is