Screws, nuts and washers for industry and maintenance
Otto Olsen AS offers a wide range of screws, nuts and washers for industry in Norway. Whether you need hex screws, machine screws, bolts, nuts, lock nuts or washers, you will find a large selection with us.
Why choose Otto Olsen?
- Large selection of screws, nuts and washers
- Both standard and special dimensions
- High quality in steel, stainless, acid-resistant, duplex, hastelloy and titanium
- Fast delivery and competitive prices
- Order screws, nuts and washers from Otto Olsen – we deliver to companies all over Norway.
Contact a specialist in the department
We have a large selection of screws, nuts and washers for many different applications:
Our range of screws:
We can supply screws in several material qualities, including:
Steel: 4.6, 4.8, 8.8, 10.9, 12.9, 45H
Stainless / acid-resistant: A2, A4, A4-70, A4-80
- Hexagon screws / hexagon bolts - DIN933 / ISO4017, DIN931 / ISO4014, DIN6921
- Machine screws. Pan head, countersunk head with different types of slots. Pozidrive, Phillips and Torx. DIN7985/ISO14583 – DIN965/ISO14581- DIN966
- Locking bolts and wing screws DIN603 – DIN316
- Self-tapping screws. Pan head, countersunk head with different types of slots. Pozidrive, Phillips and Torx. DIN7981/ISO14585 – DIN7982/ISO14586 – DIN7983/ISO14587
- Self-drilling screws. Pan head, countersunk head, hex head with different types of slots. Pozidrive, Phillips and Torx. DIN7504/ISO15480/ISO15481/ISO15482
- Internal hexagon/ Allen screws. DIN912/ISO4762 – DIN7991/ISO10642 – ISO7380 – DIN7984
- Set screws DIN916/ISO4029 – DIN915/ISO4028 – DIN914/ISO4027 – DIN913/ISO4026
- Threaded Rods and Stud Bolt. DIN975 - DIN976
- Special screws in all varieties in all materials and surface treatments
Our range of nuts:
We can supply nuts in several material qualities, including:
Steel: 4, 8, 10
Stainless / acid-resistant: A2, A4, A4-70, A4-80
Our range of discs:
We can supply all types of materials such as:
Steel, Stainless/Acid-resistant: A2, and A4
Contact us – we will help you make the right choice
With the right combination of screws, nuts and washers, you can achieve an effective, secure and durable fastening tailored to your needs.
Contact us if you would like help choosing the right solution for your material, load requirements or installation environment.
Do you have any questions?
Send us a message or contact the department directly if you want help finding the solution that is right for you.






