Stainless steel screws and bolts

Production of stainless steel screws and bolts class A2-70, class A4-70

We specialise in the production of stainless steel screws both in standardised sizes and according to our customers’ drawings in classes A2-70 and A4-70. Available in diameters from 5 to 30 and with customised surface finish. Class A2-80 screws can be supplied on request.

Control and testing in our workshops and the selection of the best raw materials are at the heart of our screw production. We guarantee our customers high-quality stainless steel screws and bolts that can be used in many different industries.

viti-testa-esagonale-acciaio-inossidabile-tutto-filetto-classe-a2-70

35
THOUSAND

tonnes of screws produced each year

Available types

DIN 931 UNI 5737 ISO 4014 - A2-70

ISO 4014 DIN 931 UNI 5737 

DIN 931 UNI 5737 ISO 4014
Class A2-70
Diameter available from 5 to 30
Surface finish other surface finishings available upon request
DIN-7984-UNI-9327-ISO-7984-A2-70

ISO 7984 DIN 7984 UNI 9327 

DIN 7984 UNI 9327 ISO 7984
Class A2-70
Diameter available from 5 to 10
Surface finish other surface finishings available upon request
DIN-933-UNI-5739-ISO-4017-A2-70

ISO 4017 DIN 933 UNI 5739 

DIN 933 UNI 5739 ISO 4017
Class A2-70
Diameter available  from 5 to 30
Surface finish other surface finishings available upon request
DIN-7380-UNI-7380-ISO-7380-A2-70

ISO 7380 DIN 7380 UNI 7380 

DIN 7380 UNI 7380 ISO 7380
Class A2-70
Diameter available from 6 to 10
Surface finish other surface finishings available upon request
DIN 912 UNI 5931 ISO 4762 - A2-70

ISO 4762 DIN 912 UNI 5931 

DIN 912 UNI 5931 ISO 4762
Class A2-70
Diameter available from 5 to 24
Surface finish other surface finishings available upon request
6921-A2-70

DIN 6921

6921
Class A2-70
Diameter available from 6 to 10
Surface finish other surface finishings available upon request
DIN 931 UNI 5737 ISO 4014

ISO 4014 DIN 931 UNI 5737 

DIN 931 UNI 5737 ISO 4014
Class A4-70
Diameter Available  from 5 to 24
Surface finish other surface finishings available upon request
DIN-933-UNI-5739-ISO-4017-1

ISO 4017 DIN 933 UNI 5739 

DIN 933 UNI 5739 ISO 4017
Class A4-70
Diameter available from 5 to 24
Surface finish other surface finishings available upon request
DIN 912 UNI 5931 ISO 4762

ISO 4762 DIN 912 UNI 5931 

DIN 912 UNI 5931 ISO 4762
Class A4-70
Diameter available from 5 to 24
Surface finish other surface finishings available upon request

Other types of screws

Viti standard in acciaio al carbonio

STANDARD CARBON
STEEL SCREWS

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

Bulloneria strutturale

STRUCTURAL
BOLTS

Classes: 10.9
Diameters: M12 / M36

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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