Specification Brand : ELILANEY BulletPoint1 : Precision Engineering: designed for accurate mechanical rotation, ensuring smooth operation and high efficiency in your machinery setups. BulletPoint2 : Applications: Our gears are engineered for a wide range of uses, including mechanical drive systems, pinion gears, steering mechanisms, and transmission parts. BulletPoint3 : Precision Engineering: Our 0.7M module cylindrical gear features 21 straight teeth, ensuring smooth and reliable transmission for various mechanical applications. BulletPoint4 : Material: Constructed from white plastic, this gear provides excellent wear resistance and longevity, making it ideal for both hobbyist projects and professional use. BulletPoint5 : Bore Sizing Options: The inner hole diameter options 3mm, 3.17mm, 4mm, 5mm, 6mm, 6.35mm, 7mm, and 8mm, make it adaptable for a variety of shaft sizes, allowing for flexibility in your assembly needs. BulletPoint6 : Dimensions: With a teeth diameter of 16.1mm, a pitch diameter of 14.7mm, teeth thickness of 5mm, and the total thickness of 12mm, this gear is designed for optimal performance and compatibility. BulletPoint7 : Easy Integration: The step diameter of 12mm simplifies installation into existing systems, making it a practical choice for both DIY enthusiasts and professional engineers Color : One Color ItemName : Cylindrical Drive 1pcs 0.7M Plastic Spur Gear 0.7 Module 21 Teeth POM Spur Gear with Step 21T Straight Teeth Gear with Step Motor Pinion Rack Machinery(7mm bore) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bevel-gears Manufacturer : ELILANEY ModelNumber : NAZRACQHY-7MMBORE NumberOfItems : 1 PartNumber : NAZRACQHY-7MMBORE ProductDescription : Module: 0.7M 21T Teeth Diameter: 16.1mm, Pitch Diameter: 14.7mm Teeth Thickness: 5mm, Total Thickness: 12mm Step Diameter: 12mm Inner hole: 3mm, 3.17mm, 4mm, 5mm, 6mm, 6.35mm, 7mm, 8mm ProductSiteLaunchDate : 2025-04-30T03:17:00.326Z Size : 7mm bore UnitCount : 1 UnspscCode : 26111500