2 Pack Size 25 Roller Chain Sprocket With 8mm Bore, 20 Teeth, C45 Carbon Steel Black Oxide Coated For Rust Resistance, ANSI ISO 04C Compatible, Set Screws Included, High Hardness Teeth For Rugged Long Lasting Drive
✔️ 20 teeth, 8mm bore, 6.35mm pitch, 2-pack, ANSI ISO 04C
The 25-tooth B Type roller chain sprocket is made from C45 carbon steel with a durable black oxide finish for rust resistance. It’s designed for ANSI ISO 04C chain and includes set screws to lock onto the shaft, making it ideal for repair and replacement in power transmission systems on milling machines, drilling rigs, and other heavy-duty machinery.
✅ Model: #25 Roller Chain Sprocket B Type, 20 Teeth, 8mm bore, 6.35mm pitch for ISO 04C chain
✅ Material & finish: C45 carbon steel with black oxide coating for rust resistance
✅ Tooth design: high-hardness, wear-resistant teeth via heat treatment
✅ Locking: set screws to prevent shaft slip and ensure alignment
✅ Installation: fixed-on-shaft mounting; minimum three teeth in mesh
✅ Pack: 2-pack set for easy replacement
💡 What is a roller chain sprocket used for in a power transmission system?
- Transfers rotary motion from chain to shaft in power transmission systems
- Ensures reliable engagement with ANSI ISO 04C chain pitch
- Fits 8mm bore and common 20-tooth configurations for compact drives