What is ISO 7089?

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.

What is 140hv?

149 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.

What is 200hv material?


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

What is DIN 125a?

DIN 125 A Flat Washers, without chamfer, are a thin disk with a concentric hole and are one of the most popular flat washers. Washers are listed by their nominal hole size, which indicates screw size, so if you have an M10 screw select an M10 washer. DIN 125 A Flat Washers may be the same as ISO 7089.

What is a spring washer?

Spring washers, which have axial flexibility and are used to prevent fastening or loosening due to vibrations. Locking washers, which prevent fastening or loosening by preventing unscrewing rotation of the fastening device; locking washers are usually also spring washers.

Is 3063 spring washer hardness?

The spring lock washer shall be compressed between hardened, flat ground washers ( with a hardness of not less than 60 HRC ) for two minutes using the compression loads specified in Tables 2A and 2B.

What is 300hv?

Hardened flat washers (300hv) hdg.

What is a Grade 8 washer?

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.

What is DIN 127b?

DIN 127 B – Spring lock washers, Form B.

How thick is a washer in MM?

Metric Washers

Size Inside Diameter Thickness
M8 8.4mm 1.6mm
M10 10.5mm 2.0mm
M11 12mm 2.5mm
M12 13mm 2.5mm

What are spring washers for?

Which washer goes first?

Method 1 of 3: When used correctly, a lock washer will hold the nut or other threaded fastener in place. To help it accomplish this, put the lock washer on first, below the fastener. If your project calls for other washers or hardware elements, they should go on before the lock washer so that it can hold them in place.

What are the dimensions of an ISO 7089 washer?

iso 7089 washer 300hv Check ISO 7089 Washer Size and Standard and ISO 7089 Washer Dimensions. The nominal sizes i.e. nominal thread diameters of the ISO 7093-1 Washer ranges between 1.6 mm to about 64 mm.

Which is better ISO 7089 or ISO 7093?

Whereas iso 7089 washer 300hv are well suited to be used in conjunction with grades A and В hexagon bolts and screws in property classes up to and including 10.9 and property class 10.

What kind of material is used in ISO 7093 washer?

The ISO 7093 Washer Material to be used will depend on the application, usually materials like stainless steel or alloy steel or nylon may be used for their manufacturer.