Star knob with axial bearing made from thermoplastic diameter 40mm vs Ball knob DIN 319 version C steel polished diameter 50mm thread M12
Star knob with axial bearing made from thermoplastic diameter 40mm and Ball knob DIN 319 version C steel polished diameter 50mm thread M12 are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Star knob with axial bearing made from thermoplastic diameter 40mm is €1.64 cheaper ($26.26).
| Criterion |  Star knob with axial bearing made from thermoplastic diameter 40mm |  Ball knob DIN 319 version C steel polished diameter 50mm thread M12 |
|---|---|---|
| Price | $26.26cheapest | $28.15 |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | In stock |
| Rating | — | — |
| Weight | 45 g | 475 g |
| Ball knob diameter | — | 50 mm |
| Diameter of support surface | — | 28 mm |
| Height | 27 mm | 46 mm |
| Inner thread size | — | M 12 mm |
| Material | Polyamide / Tempered steel | Steel |
| Outer diameter | 40 mm | — |
| Surface | Nitrided, blank | Polished |
| Thread depth | — | 18 mm |
| Thread size | M 6 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.