SKF HNA 1-4 SKF Adjustable hook spanner, size 1-4

The SKF Adjustable hook spanner, size 1 - 4, has a pivoting hook that allows tightening and loosening of a variety of lock nuts. They are used to secure and adjust bearings on tapered journals, adapter sleeves and withdrawal sleeves. They are an economic solution as they fit on a variety of lock nuts with outer diameters 20 - 35 mm. To be more specific for locknuts: KM 1 - 4, KMK 0 - 4, KMFE 4, KMT 0 - 2, N 01 - 04 and M8x1 - M18x1,5 (DIN 1804).