WASHERS
DIN 6916 Through Hardened Washers
Current Standards : DIN 6916, DIN EN 14399-6
Equivalent Standards : ISO 7416; PN 82039; UNI 5714
Material : Medium Carbon Steel
Dimensions : DIN 6916
Type : Flat Gasket
Nominal size :13-17-21-23-25-28-31-37
Hardness : 295 HV to 350 HV
Finish : Plain, Zinc Plated, Zinc Yellow, Zinc Black, Hot Dip Galvanized
Washers protect surfaces by evenly distributing torque when a bolt or screw is tightened. They prevent corrosion between a steel screw and an aluminum surface.
DIN 9021 Flat Washers
Current Standards : DIN 9021, DIN EN ISO 7093-1
Equivalent Standards : ISO 7093; CSN 021726;
Material : Stainless steel A2, Low Carbon Steel
Dimensions : DIN 9021
Type : Flat Gasket
Size : 2,7 to 39
Hardness : D1 ≤ 14 = 140 HV.D1 > 17 = 100 HV.
Finish : Plain, Zinc Plain, Galvanized
A Plain Washer (or "Flat Washer") is a flat annulus or ring, often of metal, used to spread the load of a screwed fastening.
DIN 134 Plain Washers
Material : Stainless steel, Low Carbon Steel
Dimensions : DIN 134
Type : Flat Gasket
Size : 3,2 to 27
Hardness : HV: 140 HV
Finish : Plain, Zinc Plain,
A washer is a thin plate (usually disk-shaped) with a hole that is most commonly used to distribute the load of a threaded fastener, such as a screw or nut.