Round Nuts
- DIN 466 Knurled Nuts with Collar
- DIN 467 Knurled Nuts
- DIN 546 Slotted Round Nuts
- DIN 547 Round Nuts with Drilled Holes in One Face
- DIN 548 Round Nuts with Set Pin Holes in Side
- DIN 981 Rolling Bearings Locknuts
- DIN 1804 Slotted Round Nuts for Hok Spanner
- DIN 1816 Round Nut with Set Pin Holes Inside
- DIN 6303 Knurled Nuts
- DIN 70852 Groove Nuts
- NF E22-111 Lock Nuts Heavy Series
- NF E27-413 Slotted Round Nuts
- NF E27-459 Knurl Thumb Nuts