STANDARD FASTENERS

MATERIALS

TREATMENTS

Iso international standard

Iron (4.8, 5.8, 6.8)

White zinc plating

American & British standard

Carbon steel (8.8, 10.9, 12.9)

Yellow zinc plating

Self-tapping

Stainless steel

Black zinc plating

Self-drilling

Brass

Sealing

Chipboard screws

Nylon

White nickel plating

Self-tapping for plastics

aluminium

Black nickel plating

gas

ergal

Dacromet / Geomet

copper

Brass plating

Pvc

Copper plating

Delrin

Chromium plating

Bronze

Reactive locking pretreatments

Xantal