Product
Zinc plated steel body washer conforming to DIN 9021 standard, with a 5mm inner diameter and 20mm outer diameter. Supplied in a pack of 200 pieces for professional and DIY fastening applications.
Specifications
- Manufactured from steel with a zinc plating finish for enhanced corrosion resistance
- Complies with DIN 9021 standard, ensuring a large outer diameter relative to the inner hole for improved load distribution
- Inner diameter: 5mm — Outer diameter: 20mm
- Pack quantity: 200 pieces
- Zinc coating provides protection against oxidation in standard indoor and light outdoor environments
Usage
Body washers are placed under bolt heads or nuts to distribute clamping load over a wider surface area. They are commonly used in sheet metal, bodywork, and general assembly applications where standard washers would not provide sufficient bearing surface.
FAQ
- What does DIN 9021 mean? DIN 9021 is a German standard defining large series washers with an outer diameter approximately three to four times the inner diameter, used where greater load distribution is required.
- What is the inner and outer diameter of this washer? The inner diameter is 5mm and the outer diameter is 20mm.
- Is the zinc plating suitable for outdoor use? Zinc plating offers moderate corrosion resistance, suitable for light outdoor or sheltered environments. For harsh or marine conditions, stainless steel alternatives are recommended.
- How many washers are included in one pack? Each pack contains 200 washers.
- What bolt size is compatible with this washer? This washer is designed for use with M5 bolts, as the 5mm inner diameter accommodates an M5 fastener.
mvm-dt-2026-03