HN12/SNL SKF Hook Spanner
The unique protected design of this SKF Hook spanner, allows it to tighten and loosen locknuts whilst these are inside SKF SNL split pillow block housings. Alternatively it can be used as a regular hook spanner. They are used to secure and adjust bearings on tapered journals, adapter sleeves and withdrawal sleeves. The SKF hook spanner HN12/SNL is designed for nuts with outer diameter(s) of 80mm. To be more specific they are used for locknuts: KM 12, KMK 12, KMFE 12, N 12 and M52x1.5, M55x1.5 (DIN 1804).
