2Pcs Steel Gear Rack 1.5Mod 500mm x 20mm x 20mm Total 3.3ft Heavy Duty Linear

Description:Material: Made of 45# steel with high hardness, strength, and anti-wear properties for longer service life. Corrosion resistance and more durable, steel gear racks last longer than nylon racksFeature: Racks are used to convert rotary motion into linear motion. Precision machining, straight tooth design, accurate tooth shape, smooth fit, high transmission efficiency. They have the characteristics of mechanical simplicity, high load-carrying capacity, and unlimited lengthEasy to Install: It has drilled installation holes that make it easy to install this product on the door, which makes it easier to process, install, and debug. Only gears of the same type can be used with racks.

Steel Gear Rack, 4 Pcs Total 6.6 ft Heavy Duty Reinforced Rack Straight Gear

Description:1. Material: Made of Q235 steel with high hardness, strength, and anti-wear properties for longer service life. Corrosion resistance and more durable, steel gear racks last longer than nylon racks2. Feature: There are fixing points on each gear rack, with proper slots and a protruding lip that allows the rack to slide securely into the slot on the next section3. Spur Rack: Racks are used to convert rotary motion into linear motion. The straight teeth of the rack are cut into one face of the square or circular section of the rod and fit with the pinion, which has the characteristics of mechanical simplicity, high load-carrying capacity, and unlimited length4. Applications: Suitable for automatic sliding door systems for warehouses and garages or entrance doors for stores, supermarkets, and parking lots.

2Pcs Steel Gear Rack 1 Mod 1000mm x 10mm x 10mm 6.6ft Heavy Duty Linear

Description:Material: Made of 45# steel with high hardness, strength, and anti-wear properties for longer service life. Corrosion resistance and more durable, steel gear racks last longer than nylon racksFeature: Racks are used to convert rotary motion into linear motion. Precision machining, straight tooth design, accurate tooth shape, smooth fit, high transmission efficiency. They have the characteristics of mechanical simplicity, high load-carrying capacity, and unlimited lengthEasy to Install: It has drilled installation holes that make it easy to install this product on the door, which makes it easier to process, install, and debug. Only gears of the same type can be used with racks.