Bright key steel DIN 6880 4 x 4 x 1000 mm material C45K vs Locknut DIN 981 KM 8 thread M40x1.5 stainless steel 1.4301 (AISI304)
Bright key steel DIN 6880 4 x 4 x 1000 mm material C45K and Locknut DIN 981 KM 8 thread M40x1.5 stainless steel 1.4301 (AISI304) are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Bright key steel DIN 6880 4 x 4 x 1000 mm material C45K is €7.82 cheaper ($10.82).
| Criterion |  Bright key steel DIN 6880 4 x 4 x 1000 mm material C45K |  Locknut DIN 981 KM 8 thread M40x1.5 stainless steel 1.4301 (AISI304) |
|---|---|---|
| Price | $10.82cheapest | $19.84 |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | In stock |
| Rating | — | — |
| Dimensions | 4x4x1000mm | — |
| Weight | 126 g | 85 g |
| Height | 4 mm | — |
| Material | Steel (1045) | Stainless steel (304) |
| Outer diameter | — | 58 mm |
| Surface | Blank | Blank |
| Thread size x pitch | — | M 40×1.5 mm |
| Type | — | KM 8 |
| Width | 4 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.