Item available in 20 variants: Knurled nut without pin hole DIN 6303-M10-A IG, burnished steel class 5 Knurled nut without pin hole DIN 6303-M12-A IG, burnished steel class 5 Knurled nut without pin hole DIN 6303-B10-A Bore H7, black steel. Class 5 Knurled nut with pin hole DIN 6303-B8-B Bore H7, black steel. Class 5 Knurled nut without pin hole DIN 6303-M8-A IG, burnished steel class 5 Knurled nut without pin hole DIN 6303-B8-A Bore H7, black steel. Class 5 Knurled nut without pin hole DIN 6303-M5-A IG, burnished steel class 5 Knurled nut with pin hole DIN 6303-M10-B IG, burnished steel class 5 Knurled nut with pin hole DIN 6303-B5-B Bore H7, black steel. Class 5 Knurled nut with pin hole DIN 6303-M8-B IG, burnished steel class 5 Knurled nut without pin hole DIN 6303-B6-A Bore H7, black steel. Class 5 Knurled nut without pin hole DIN 6303-B12-A Bore H7, black steel. Class 5 Knurled nut with pin hole DIN 6303-M5-B IG, burnished steel class 5 Knurled nut without pin hole DIN 6303-M6-A IG, burnished steel class 5 Knurled nut with pin hole DIN 6303-M6-B IG, burnished steel class 5 Knurled nut with pin hole DIN 6303-B10-B Bore H7, black steel. Class 5 Knurled nut with pin hole DIN 6303-B6-B Bore H7, black steel. Class 5 Knurled nut with pin hole DIN 6303-B12-B Bore H7, black steel. Class 5 Knurled nut with pin hole DIN 6303-M12-B IG, burnished steel class 5 Knurled nut without pin hole DIN 6303-B5-A Bore H7, black steel. Class 5