What is ISO 7089?

What is ISO 7089?

2 products. Flat 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. A nylon washer can be placed under a machine screw to reduce noise and abrasion and offer electrical insulation.

Is 7089 washer?

This ISO 7089 Standard specifies the characteristics of normal-series, product grade A plain washers in hardness classes 200 HV and 300 HV. The nominal sizes i.e. nominal thread diameters of the ISO 7093-1 Washer ranges between 1.6 mm to about 64 mm.

Is Standard for Plain washer?

This International Standard specifies the characteristics of normal-series, product-grade-A plain washers in the 200 HV and 300 HV hardness classes and of nominal sizes (nominal thread diameters) ranging from 1,6 mm to 64 mm inclusive. — case-hardened thread rolling screws.

What is DIN washer?

Metric Flat Washers Din Standard washers are the European norm and Din 125A is the most popular flat washer product, it is available in an extensive range of materials and hole diameters.

What is 200hv material?


For nom. size M36
Class 200 HV
Material Steel
Surface treatment Zinc plated

What is a spring washer?

Spring Washers. Spring washers have axial flexibility that allows them to move with vibrations and thus prevent unfastening or loosening due to those vibrations. They increase the elastic properties of a joint.

What is 300hv?

Class 300 HV metric washers are best suited for use with through- hardened cap-screws, bolts and nuts. Stainless washers are for use with austenitic stainless steel screws and nuts in general industrial applications where parts are subject to corrosion.

How many types of washers are there?

What are the different types of washers?

Type of Washer Description
Countersunk Allows flat or oval head countersunk screws to be flush
Fender Large outside diameter provides extra wide bearing surface
Flat The most common type of washer, with two flat surfaces
Sealing Made of relatively soft materials

Is washer a size?

Dimensions for DIN125 Form A Washers

Bolt Size Inside Diameter Thickness
M8 8.4mm 1.6mm
M10 10.5mm 2.0mm
M11 12.0mm 2.5mm
M12 13mm 2.5mm

What is a DIN 125 washer?

Metric DIN 125 Flat Washers are standard metric flat washers – a circular metal disc with a central hole.

Are there Grade 8 washers?

Grade 8 SAE Flat Washers are manufactured from High Strength Alloy Steel. It is recommended that a Grade 8 Flat Washer be used with Grade 8 Nuts and Bolts. Grade 8 Washers do not crush and deform when torque is applied in tightening.

How big is a metric flat washer ISO 7089?

The following tables define the sizes for metric flat washers per ISO 7089. We’ve detected that you’re using adblocking software or services. To learn more about how you can help Engineers Edge remain a free resource and not see advertising or this message, please visit Membership.

What can you do with an ISO washer?

Compared to our general purpose washers, these have exaggerated diameters and/or thicknesses. Use them to cover oversized holes, hold heavy fastening loads, or as spacers and levelers. These thick washers are designed to support structural screws, studs, and nuts. Made of aluminum, these blind rivets are lightweight and corrosion resistant.

Is there any warranty for the Din 1440 washer?

This website gives no warranty and accepts no responsibility or liability for the accuracy or the completeness of the information and materials contained in this website.

Are there ISO Class 7 clean room washers?

Made of Buna- N, these O-rings resist grease, hydraulic oil, and motor oil— plus mild chemicals and water. These are the highest purity chemical-resistant O-rings we offer. They are made and bagged in an ISO Class 7 (Class 10,000) clean room, plus they’re USP VI certified; not for use in medical applications.