Colombo Special Fasteners: Special Fasteners Made in Italy

Colombo Special Fasteners is specialized in the production of special fasteners according to customer drawings (screws, fasteners, special nuts, bushes and so on) , manufactured in steel by cold forging through modern progressive presses with 5 strokes

Manufacturing through cold forging technology of steel products, from Ø6 to Ø33 and lengths proportional to the Ø from I = 10mm to I = 240mm

Tensile grades: 4.6 - 5.6 - 8.8 - 9.8 - 10.9 - 12.9 - B7 - B7M

Used steels:
Low-medium and high carbon steels are used, bought from leading European manufacturers according to our specifications.
Steels generally used:
CB4FF -19MNB4 - 30MNB3 - C35 BORO - 34Cr4 - 41 Cr4 - 38NICrMO4 - 42NICrMO4

Colombo Special Fasteners VIA FRATELLI ROSSELLI 1 | 24034 | CISANO BERGAMASCO (BG) | ITALIA Tel.: +39 035 78 21 05 - FAX: +39 035 78 37 60 email: info@colombofasteners.com | web: www colombofasteners com