Structural bolts

Screws, washers, nuts and structural Kits

Bontempi VIBO’s production line offers a selection of structural fasteners in different types and sizes.
With screw diameters from M12 to M36, single screws as well as Kits consisting of screw, nut and two washers are ready for sale.

Our products, available in plain or hot dip galvanized, assure effective fastening stability for a wide range of applications.

Produzione bulloneria strutturale

35
THOUSAND

tonnes of screws produced each year

Available types

Bulloneria strutturale vite uni 5712 din 6914

DIN 6914 UNI 5712

DIN 6914 UNI 5712  
Class 10.9
Diameter available from 14 to 27
Surface finish plain
Bulloneria strutturale - vite grezza 14399

EN 14399-4

EN 14399-4
Class 10.9
Diameter available from 12 to 36
Surface finish plain
Extra other surface finishings available upon request
Bulloneria strutturale 14399 grezzi

EN 14399-4-6

EN 14399-4
Class 10.9
Diameter available from 12 to 36
Surface finish plain
Extra other surface finishings available upon request
Bulloneria strutturale 14399 zn a caldo hdg

EN 14399-4-6

EN 14399-4
Class 10.9
Diameter available from 12 to 36
Surface finish hot dip galvanised
Extra other surface finishings available upon request

Other types of screws

viti-standard-acciaio-inox

STANDARD CARBON
STEEL SCREWS

Classes: 8.8 / 10.9 / 12.9
Diameters: M5 / M64

viti-standard-acciaio-inox

STANDARD STAINLESS
STEEL SCREWS

Classes: A2-70 / A4-70
Diameters: M5 / M30

Viti speciali a disegno

SPECIAL SCREWS
BY PROJECT

Diameters: M5 / M64
For every screw and bolt requirement

Viti per automotive Memeaf

AUTOMOTIVE
SCREWS

Bontempi Vibo S.p.A. has acquired Mi.Me.Af. S.p.A., a leading manufacturer of screws and bolts for the automotive sector

E-commerce

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