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Adjustable hook spanners

Four sizes for tightening or loosening up to 24 nut sizes

The SKF Adjustable Hook Spanners HNA series facilitate the easy and safe tightening and loosening of KM, KML, N, AN, KMK, KMFE and KMT nuts. The spanners are made of special hardened steel for durability.
One hook spanner covers several nut sizes, making it suitable for use with many applications.
  • Economic solution: 4 hook spanners cover 24 nut sizes
  • Laser engraved designation, which represents the range of nut sizes covered by the spanner, allows easy selection of the correct spanner
  • Versatile: suitable for KM, KML, N, AN, KMK, KMFE and KMT nuts
  • Hole in the spanner's handle facilitates easy storage
  • Minimises shaft and nut damage
Technical data
Designation
Outer diameter lock nut
 
mm
in.
HNA 1-4
20–35
0.8–1.4
HNA 5-8
35–60
1.4–2.4
HNA 9-13
60–90
2.4–3.5
HNA 14-24
90–150
3.5–6.1
Selection table
Designation
Suitable for the following series of SKF lock nuts
 
KM
KML
N
AN
KMK
KMFE
KMT
HNA 1-4
1–4
 
2–4
 
0–4
4
0–2
HNA 5-8
5–8
 
5–8
 
5–8
5–8
3–7
HNA 9-13
9–13
 
9–13
 
9–13
9–13
8–12
HNA 14-24
14–24
24–26
 
14–24
14–20
14–24
13–24
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