Opening hours over Christmas & New Year: Tue 23/12 – Day before Christmas Eve: Closes at 14:00 | Wed 24/12 – Christmas Eve: Closed | Thu 25/12 – Christmas Day: Closed | Fri 26/12 – Boxing Day: Closed | Tue 30/12 – Day before New Year’s Eve: Closes at 14:00 | Wed 31/12 – New Year’s Eve: Closed | Thu 1/1 (2026) – New Year’s Day: Closed | Fri. 2/1 (2026) – The office closes at 12:00 / The warehouse is closed | Mon 5/1 – Epiphany Eve – Closes at 12:00 | Tue 6/1 – Epiphany – Closed | Merry Christmas & Happy New Year!

Fiberglass Bolt

Fiberglass bolts are primarily used for temporary rock reinforcements but can also be used for permanent reinforcements. Since they are much lighter than steel bolts, they are easier to handle on-site. NFG has a large selection upon request, contact info@nfgab.se

Would you like to learn more about our products for Rock & Tunnel? Call or write to us!​

Dimension

[mm]

Tensile strength

[Mpa]

Cross-sectional area
[mm2]

E-modulus
[Gpa]

Shear strength
[Mpa]

Weight
[g/m]

R20

800

284

≥45

≥150

570

R25

800

452

≥45

≥150

1050