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BLACK STAINLESS STEEL PENNY WASHERS DIN 9021

General Description for A2 Stainless Steel Penny Repair Washers

High quality Stainless Steel hexagon nuts also known as a full nuts made of durable A2 stainless steel and to DIN9021 standards. Full details and technical specifications below. What is A2 Stainless Steel? A2 stainless steel is commonly referred to as 18-8 since it contains 18% chromium and 8% nickel.

Excellent corrosion resistance.

A2 is used in a wide range of applications in different industries such as the automotive industry for body paneling and bumpers etc, food and catering industries for the corrosion resistance, in the engineering and architecture industries, for the remote control and model making. In addition, it’s a favorite for many different DIY jobs in and around the home and garage for those jobs where a standard BZP fastener will not do. Handles extremely low & high temperatures

Specifications of Spring Washers DIN 9021:

M3 ~ 3.2mm i/d ~ 9mm o/d ~ 0.8mm thick
M4 ~ 4.3mm i/d ~ 12mm o/d ~ 1.0mm thick
M5 ~ 5.3mm i/d ~ 15mm o/d ~ 1.0mm thick
M6 ~ 6.4mm i/d ~ 18mm o/d ~ 1.6mm thick
M8 ~ 8.4mm i/d ~ 24mm o/d ~ 2.0mm thick
M10 ~ 10.5mm i/d ~ 30mm o/d ~ 2.5mm thick