





⚙️ Elevate your machinery game with precision and durability that won’t quit!
The FOCMKEAS 21 Tooth Roller Chain Sprocket is crafted from hardened C45 carbon steel with a black oxide coating for superior wear and corrosion resistance. Featuring a 1/4-inch pitch and 12mm bore, this Type B sprocket includes fasten screws and a hub design to prevent slippage, making it ideal for reliable power transmission in demanding industrial applications.








| Manufacturer | FOCMKEAS |
| Part number | 21T/12mm Bore |
| Item Weight | 75 g |
| Package Dimensions | 12 x 9.3 x 1.7 cm; 75 g |
| Item model number | 21T/12mm Bore |
| Size | 21T/12mm Bore |
| Colour | Black |
| Material | Carbon Steel |
| Item Package Quantity | 1 |
| Teeth Per Inch | 0.25 inches |
| Special Features | single_strand, triple_strand |
| Batteries included? | No |
| Batteries Required? | No |
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