The PLAIN WASHER M20 – ID21.0 OD37.0 Thk3.0 CLASS 300HV is a high-quality fastener designed for durability and reliability. Featuring a ZINC-PLATED finish, this fastener offers superior corrosion resistance and performance in demanding environments.

It is commonly used in construction, mining, manufacturing, and other industrial applications where secure fastening is critical.

Size: M20 – ID21.0 OD37.0 Thk3.0
Coating: ZINC-PLATED
Standards: ISO 7089 / ISO 7090 / ISO 4042
Strength: HIGH STRENGTH with tensile strength of 300 HV and yield strength of nan.