Metric screws

Metric screws

Achievable from M1.6 to M9

In metric screws with ISO thread, the screw and nut profiles match.
Flank and thread pitch are the same.
Metric ISO, American UNC/UNF, British BSW threads are used for screwing in already threaded studs, ensuring precise and usable couplings in all metal materials.

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Usable Materials

Carbon steel:

  • Steels for products without heat treatment for classes 4.8 – 5.8
    • C4C and C10C according to UNI EN 10263-2 and/or previous standards (e.g. UNI 7356-74)
  • Cementing/carbonitriding steels
    • 15B2, 17B2, 18B2 according to UNI EN10263-3 or 17MnB4, 20MnB4 according to UNI EN 10263-4 and/or previous standards (e.g. UNI7356-74)
  • Quenched and tempered steels for classes 6.8 – 8.8 – 10.9 – 12.9 
    • 23B2, 33B2, 38B2, 20MnB4, 23MnB4 according to EN 10263-4 and/or previous standards (e.g. UNI 7356-74)

Stainless steel:

  • Austenitic Quality A2, A4, in strength classes 50-70-80
  • Ferritic for heat-treated applications





We can produce screws with any type of head and drive. These images represent some examples.

Cylindrical head screw with cross drive

Cylindrical head cross/slot combination

Wide head false washer

Hex head with false washer and drive

Combined torx convex head and slot

Torx drive cylindrical head

Flat cylinder head cross/slot combination

Cylindrical head screwdriver slot

Flat countersunk head screwdriver slot

Cap countersunk head screwdriver slot

Convex head hex socket

Cylindrical head hex socket

Cylindrical head special drive (SIXNIKS)

Flat countersunk head with hex socket marking

Hex head false washer

Cylindrical head tamper-proof drive

Flanged head

Flat head square neck

Convex head square neck

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