Hakenschlüssel

The SKF Hook spanner, size 18 - 20, is designed for easy tightening and loosening of lock nuts. They are used to secure and adjust bearings on tapered journals, adapter sleeves and withdrawal sleeves. They fit on a variety of lock nuts with outer diameter(s) 120 - 130 mm. To be more specific for locknuts: KM 18, KM 19, KM 20, KMK 18, KMK 19, KMK 20, KMFE 18, KMFE 19, KMFE 20, KMT 17, KMT 18, KMT 19, AN 18, AN 19, AN 20 and M85x2, M90x2 (DIN 1804).