Sprocket KRS with hub pitch 4mm 21 teeth material steel vs Sprocket KRS with hub 20 B-1 1 1/4×3/4″ 10 teeth material steel
Sprocket KRS with hub pitch 4mm 21 teeth material steel and Sprocket KRS with hub 20 B-1 1 1/4×3/4″ 10 teeth material steel are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Sprocket KRS with hub pitch 4mm 21 teeth material steel is €14.09 cheaper ($31.18).
| Criterion |  Sprocket KRS with hub pitch 4mm 21 teeth material steel |  Sprocket KRS with hub 20 B-1 1 1/4×3/4″ 10 teeth material steel |
|---|---|---|
| Price | $31.18cheapest | $47.44 |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | In stock |
| Rating | — | — |
| Weight | 28 g | 1.6 kg |
| Bore | 8 mm | 20 mm |
| Din iso no | 4 mm | 20 B-1 |
| Hardened | No | No |
| Hub | One sided | One sided |
| Hub diameter | 20 mm | 70 mm |
| Material | Low-carbon steel | Steel (1045) |
| No of teeth | 21 | 10 |
| Number of strands | 1 | 1 |
| Outer diameter | 28.5 mm | 117.9 mm |
| Pitch circle diameter | 26.84 mm | 102.74 mm |
| Surface | Blank | Blank |
| Total length | 12 mm | 40 mm |
| View at seller ↗ | View at seller ↗ |
Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.
Robotitem does not test products. This comparison reports seller-published data only, and ranking never takes affiliate commission into account.