- Flat washers are used to support and spread the load across the baring area of the bolt and nut to prevent pull through.
- A flat washer is a round outer diameter thin plate with a center hole (inner diameter) punched to the size of the bolt or screw size.
- Flat Washers may be used to provide ease of movement for spinning parts, or when the hole holding the fastener assembly is larger than the finishing nut.
- Zinc plated steel flat washers are made of steel with a zinc plating to protect the fastener from environmental damage and increase durability
- Zinc plated steel is corrosion resistant
Flat Washers Zinc – USS – 1/2″ (ID 0.562 x OD 1.375 x THK 0.112
Material | Steel |
Outside Diameter | 1.38 Inches |
Washer Type | Flat |
Exterior Finish | Zinc |
Fastener Size | 1/2″ |
Flat Washers – Zinc Plated Steel
- Used to distribute fastener pressure evenly
- Can act as a flat surface area for nut or bolt to tighten against
- Washer thickness may vary +/- .007 depending on the production run
- Zinc plating offers an extra layer of corrosion resistance and a shiny finish
- USS sized washers are made of zinc plated 344 and 347 steel
Description
A flat washer is a thin ring with a round outer diameter and a center hole (inner diameter) punched to a size just larger than a bolt or screw. Flat washers are normally used to distribute loads of threaded bolts, screws, and nuts evenly as the fastener is tightened. While there are many types of flat washers, standard is the most commonly used.
Product Specifications
- Material: Steel
- Finish: Zinc plated steel
- Standards Met: REACH and RoHS Compliant
- Sizing: Washer Size (Inner Diameter x Outer Diameter x Thickness)
Sizing Specifications
- 3/16″: 0.250″ ID x 0.56″ OD x 0.064″ Thick
- 1/4″: 0.312″ ID x 0.734″ OD x 0.069″ Thick
- 5/16″: 0.375″ ID x 0.875″ OD x 0.086″ Thick
- 3/8″: 0.438″ ID x 1.00″ OD x 0.086″ Thick
- 7/16″: 0.500″ ID x 1.25″ OD x 0.086″ Thick
- 1/2″: 0.562″ ID x 1.375″ OD x 0.112″ Thick
- 9/16″: 0.625″ ID x 1.469″ OD x 0.112″ Thick
- 5/8″: 0.688″ ID x 1.75″ OD x 0.136″ Thick
- 3/4″: 0.812″ ID x 2.00″ OD x 0.148″ Thick
- 7/8″: 0.938″ ID x 2.25″ OD x 0.164″ Thick
- 1″: 1.062″ ID x 2.50″ OD x 0.164″ Thick
- 1-1/8″: 1.250″ ID x 2.75″ OD x 0.164″ Thick
- 1-1/4″: 1.375″ ID x 3.00″ OD x 0.164″ Thick
- 1-3/8″: 1.500″ ID x 3.25″ OD x 0.183″ Thick
- 1-1/2″: 1.625″ ID x 3.50″ OD x 0.183″ Thick
- 1-5/8″: 1.750″ ID x 3.75″ OD x 0.183″ Thick
- 1-3/4″: 1.875″ ID x 4.00″ OD x 0.183″ Thick
- 2″: 2.125″ ID x 4.50″ OD x 0.183″ Thick
- 2-1/4″: 2.375″ ID x 4.75″ OD x 0.221″ Thick
- 2-1/2″: 2.625″ ID x 5.00″ OD x 0.245″ Thick
- 3″: 3.125″ ID x 5.50″ OD x 0.288″ Thick
Listing photo is generic for the fastener type listed in this listing and is not to scale. Please refer to the description for fastener details. If in doubt, please ask a question through chat or email. We will respond with the requested information quickly.
Category: NUT BOLT WASHER
Description
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