Flat Washer

Product Overview

This flat washer is intended for buyers comparing geometry, assembly fit and material choice for load distribution and joint control. Its configuration is defined by the inside diameter, outside profile, thickness and bearing surfaces. Before quotation, Hongyuan checks bearing-face size, joint settlement and surface protection or spring action rather than assuming a catalogue size from the image.

Product Photo Gallery

Complete Product View

Head and Drive Detail

Thread / Body Detail

Side Profile Detail

Multi-Angle Product View

Product Specifications

Selection and RFQ Notes for This Flat Washer

Industrial product catalogues commonly separate comparable parts by standard, material/grade, diameter × length, pitch, thread coverage, head/drive and pack quantity. For this page those fields are treated as RFQ inputs, not assumed stock specifications.

• Size callout: State diameter × overall length, pitch, threaded length or grip length, and every non-standard shoulder, collar or bore dimension.
• Interface geometry: Confirm the inside diameter, outside profile, thickness and bearing surfaces, together with the mating-part dimensions and any installation clearance limit.
• Material condition: Specify carbon steel, stainless steel or another specified alloy; final grade is drawing-controlled; do not use the word “stainless” or “high strength” as the only acceptance requirement.
• Installation fit: Review bearing-face size, joint settlement and surface protection or spring action for the intended load distribution and joint control.
• Inspection: Identify the dimensions and functions that are critical to the flat washer, together with gauges, reports, sampling level and packaging protection.

Typical Applications

• Load distribution beneath bolt or nut bearing faces
• Spacing, spring action or surface protection in assemblies
• Machinery, construction and OEM fastening systems

Application suitability depends on the final material grade, dimensions, mating parts, installation method, load and service environment. Please share assembly details for engineering review.

Drawing-Controlled Structure and Key Features

• Assembled washer interface
• Drawing-controlled dimensions, tolerances and thread engagement
• Material, finish and inspection plan configured for the application

The visible features shown in the photos support RFQ review, while the approved drawing, standard and agreed inspection criteria remain the controlling production documents.

Quality Inspection Process

For this geometry, dimensional inspection and an assembly-relevant functional check should be agreed before mass production. Typical checkpoints are inside and outside dimensions, thickness or spring height, flatness, and edge and surface condition. Certificates or special reports are supplied when they are included in the quotation.

• Material and surface-condition verification
• Critical-dimension and tolerance inspection
• Thread gauge, head and drive geometry checks
• Final appearance, count and packaging inspection

Optical / Vision Sorting Inspection

For suitable higher-volume orders, optical or vision sorting can be evaluated for measurable and visible characteristics such as overall profile, head presence, length, drive condition and selected surface defects. The approved drawing and agreed functional tests remain the acceptance criteria.

Drawing and Customization Requirements

For Flat Washer, send a dimensioned drawing or marked sample showing the standard reference, material/grade, size notation, thread data where applicable, inside diameter, outside profile, thickness and bearing surfaces, finish and packaging. Also identify bearing-face size, joint settlement and surface protection or spring action because these points affect suitability for load distribution and joint control. Any unmarked dimension remains subject to technical clarification before tooling or production.

Customization & Order Information

Frequently Asked Questions

Which dimensions are needed to quote this flat washer?

Provide diameter, overall length, pitch, thread or grip length, head dimensions and every shoulder, collar, bore or point dimension that affects the mating parts.

How should the material grade be specified for load distribution and joint control?

State the required grade or alloy, mechanical condition, corrosion exposure and certificate requirement. The current material scope is carbon steel, stainless steel or another specified alloy; final grade is drawing-controlled.

Which interface dimensions should be controlled on this flat washer?

Confirm the inside diameter, outside profile, thickness and bearing surfaces, mating-part dimensions, assembly clearance and any functional gauge or installation test. These points should be identified on the drawing.

Can Hongyuan manufacture from a physical sample?

Yes. A sample supports identification and reverse review, but a drawing or signed dimensional report should define the final acceptance criteria.

How are MOQ and lead time established?

They are quoted after material availability, forming or machining route, tooling, inspection level, finish, packaging and order quantity have been reviewed.

Request a Quote

To quote Flat Washer, send the target quantity, dimensioned drawing or sample, material/grade, finish, inspection and packaging requirements, and delivery destination. For a flat washer used in load distribution and joint control, please also identify bearing-face size, joint settlement and surface protection or spring action. Hongyuan will confirm manufacturability and commercial terms against the approved specification.

Explore more Hongyuan Fastener products or contact us with your drawing and quantity.