1pc 21T 08B Chain Gear 21 Teeth Precision Industrial Drive Sprocket

08B Precision Industrial Drive Sprocket Wheel with 21 Teeth

Upgrade your mechanical transmission systems with the 08B Precision Industrial Drive Sprocket Wheel, constructed from high-quality 45# steel. Designed with 21 teeth and a step-type structure, this sprocket is engineered for smooth and efficient power transfer. The teeth undergo high-frequency quenching and tempering, achieving a surface hardness of HRC40-50 for enhanced durability. Its 12.7mm pitch and versatile keyway bore options make it a reliable component for various industrial applications.

Key Specifications:

• Material: 45# Steel for superior strength and longevity.
• Tooth Treatment: High-frequency quenching and tempering for a tooth surface hardness of HRC40-50.
• Teeth Pitch: 12.7mm, designed for precise power transmission.
• Number of Teeth: 21 teeth, suitable for balanced torque distribution in mechanical systems.
• Keyway Bore Sizes:
  • 16/17mm (keyway 5mm)
  • 18/19/20/22mm (keyway 6mm)
  • 24/25/28/30mm (keyway 8mm)
• Screw Compatibility:
  • Bore 16-22mm: 2 * M6
  • Bore 24-40mm: 2 * M8
• Corrosion Resistance: Strong resistance to oxidation, acid, alkali, and corrosion, ensuring extended service life in demanding environments.

Target Applications:

• Ideal for use in various mechanical transmission parts, including industrial machinery, automation systems, and manufacturing equipment.

Features:

• High Durability: Made from high-quality 45# steel and treated for enhanced hardness and wear resistance.
• Versatile Fit: Available in multiple keyway bore sizes to accommodate different shaft dimensions.

SEO Keywords:

• 08B drive sprocket, industrial sprocket wheel, 21 teeth sprocket, steel sprocket, mechanical transmission component.

Note:

1. Sprocket dimensions (bore size, total thickness, step outer diameter) may vary slightly between batches. Always verify specific measurements before installation.
2. Screws and key pins are not included and need to be purchased separately.

Packaging:

• Details: Each sprocket is packaged securely in a plastic bag and carton box to ensure safe delivery. Quantity options can be customized based on your specific needs.