Sprocket KRS with hub pitch 4mm 21 teeth material steel vs Sprocket KRR with hub 10 B-1 5/8×3/8″ 13 teeth material stainless steel 1.4301 (AISI 304)
Sprocket KRS with hub pitch 4mm 21 teeth material steel and Sprocket KRR with hub 10 B-1 5/8×3/8″ 13 teeth material stainless steel 1.4301 (AISI 304) 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 €25.11 cheaper ($31.18).
| Criterion |  Sprocket KRS with hub pitch 4mm 21 teeth material steel |  Sprocket KRR with hub 10 B-1 5/8×3/8″ 13 teeth material stainless steel 1.4301 (AISI 304) |
|---|---|---|
| Price | $31.18cheapest | $60.16 |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | In stock |
| Rating | — | — |
| Weight | 28 g | 482 g |
| Bore | 8 mm | 12 mm |
| Din iso no | 4 mm | 10 B-1 |
| Hardened | No | No |
| Hub | One sided | One sided |
| Hub diameter | 20 mm | 47 mm |
| Material | Low-carbon steel | Stainless steel (304) |
| No of teeth | 21 | 13 |
| Number of strands | 1 | 1 |
| Outer diameter | 28.5 mm | 73 mm |
| Pitch circle diameter | 26.84 mm | 66.32 mm |
| Surface | Blank | Blank |
| Total length | 12 mm | 30 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.