


Lock-nut hook TMFN 30-40 SKF
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SKF TMFN 30–40 Impact Wrench – Professional Tool for Large Lock Nuts
Product Description
The SKF TMFN 30–40 impact wrench is designed for the safe tightening and loosening of large lock nuts, particularly after the installation of large bearings on tapered seats. Made from ductile iron, this wrench features a special impact surface that allows for optimal energy transfer to the nut, minimizing the risk of damage.
Applications
- Handling lock nuts with an outer diameter ranging from 195 to 270 mm
- Ideal for maintenance and service work in the machinery industry
- Enables work in hard-to-reach areas
Technical Specifications
- Model: TMFN 30–40
- Nut diameter range: 195 – 270 mm
- Total length: 313 mm
- Weight: 1.9 kg
- Material: Head: ductile iron; Handle: carbon steel
- Coating: Phosphated head, galvanized handle
- Additional features: Wide impact surface ensuring effective force transfer
Why Choose the SKF TMFN 30–40 Impact Wrench?
- Specifically designed for working with large lock nuts
- High-quality construction ensuring long tool life
- Ergonomic handle increasing user comfort
- Safe to use – minimizes the risk of damaging nuts and shafts
Frequently Asked Questions (FAQ)
Is the TMFN 30–40 wrench compatible with all types of lock nuts?
The wrench is compatible with nuts from the KM, HM..T, HML..T, HM 30, HM 31, AN.., N.. series, as well as DIN 1804 (M) in the appropriate sizes.
What are the advantages of the wide impact surface?
The wide impact surface ensures effective force transfer to the nut, minimizing the risk of damage.
Is the tool suitable for professional use?
Yes, the SKF TMFN 30–40 impact wrench is designed for intensive use in industrial and service environments.
Technical data
| Manufacturer | SKF |
| Brand | SKF |
| Manufacturer's address details | Sven Wingquist Street 2, 415 50 Gothenburg |
| Manufacturer's contact details | e-mail: info@skf.com, tel.: +46 31 337 10 00 |