What is the surface treatment?

Natural brass finish, no coating; tin plating can be customized.

DIN125 Copper Sealing Washer for Hardware & Electrical Assembly

Name: DIN125 Copper Sealing Washer for Hardware & Electrical Assembly
Brand: Qewitco Fasteners Co., Ltd
SKU: 2188604482

Shandong, ChinaQewitco Fasteners Co., Ltd

US$0.005-0.14

1,000 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Type

Flat Washer, Flat Gasket

Material

Brass/Bronze/Copper

Model NO.

Washer

Combination Washer Structure

Flat

Combination Washer Packaging

All Inclusive

Spring Washer Type

Flat

Size Standard

Metric/Inch

Thickness

0.025-4mm

Finish

Zinc Plated

Application

Heavy Industry, Oil & Gas

Delivery

5-15 Days

Custom Order

Customization by Drawing/Sample

Price Terms

Fob/CFR/CIF/DDP

ODM/OEM

Available

Material Test Certificate

Have

Sample

Provide Samples But Do Not Include Freight.

Quality Control

100% Quality Inspection

Transport Package

Plastic Bags, Boxes, Cardboard Boxes, Wooden Palle

Specification

M2 ~ M20

Trademark

Qewitco

Origin

China

HS Code

731816

Production Capacity

10000ton/Year

Key features

Brass flat washer features good electrical conductivity, ideal for assemblies requiring electrical earthing.

Brass flat washer resists atmospheric corrosion and will not easily rust in humid environments, extending the service life of the full fastener set.

We can customize inner diameter, outer diameter and thickness of brass flat washers to match non-standard equipment assembly.

Brass flat washer has smooth, burr-free surface for even force distribution during installation and prevents damage to connected parts.

Brass material offers moderate self-lubrication, avoiding galling and seizing during disassembly for easier maintenance.

Mass production available, we supply full sets of brass flat washers in various sizes to meet bulk project procurement.

OEM and ODM Services: Full customization support available based on customer drawings or physical samples.

Free of charge samples are offered for your quality inspection, buyers only need to bear the courier freight.

Company profile

Years of Export ExperienceExperienced TeamSelf-brandedHigh Repeat Buyers Choice

Qewitco Fasteners Co., Ltd

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2003-12-05Average Response Time: ≤0.48hTerms of Payment: T/T

AI-Powered supplier vetting

SummaryThe supplier demonstrates established export experience, with 90% of sales from exports and 22 years of exporting. It has ISO9001:2015 certification, raw-material traceability, quality assurance, and 100% finished-product inspection, although inspection is performed by packing staff and only two quality inspectors are reported. Customization is broad, covering samples, designs, full customization, minor customization, and flexible customization. Service strengths include in-stock capability, stated lead times within 15 workdays in both peak and off-season, and multiple payment and quotation terms. Limitations include no overseas warehouse, showroom, agent, branch, or overseas service-country coverage, no Fortune 500 cooperation, no new products launched in the last year, one R&D engineer, no popular-brand OEM, and an undocumented corrective/preventive-action process. Financial credibility cannot be assessed because the provided financial figures are excluded from evaluation.

Supplier typeThe supplier is strongly export-oriented, reporting 90% export sales and 22 years of export experience. It can provide in-stock service and accepts FOB, CIF, CFR, and EXW terms, but reports no overseas warehouse, showroom, agent, branch, or overseas service-country coverage.

CertificationsThe supplier reports an ISO9001:2015 certificate for both sustainable development management and management systems, plus other product compliance or sustainability certifications. The specific additional certifications are not identified, so the evidence supports ISO9001 holding but not broader certification strength.

R&D capabilityThe supplier reports one R&D engineer and no new products launched during the previous year. It also reports no available SDK and no popular-brand OEM capability, which indicates limited documented innovation evidence.

Production capacityProduction-related evidence includes raw-material traceability, 100% finished-product inspection, quality assurance, four own-brand quality-control capabilities, inventory capacity, and lead times within 15 workdays in both peak and off-season. Only two quality inspectors are reported, and finished products are checked by packing staff, so production capability is positive but quality-control depth is limited.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization capability.

Product Q&A

Q:Do you have your own production factory?

Yes, besides our own factories, Qewitco also has good business relationship with many other fastener, tool, and facilities mills in China & overseas.

Q:How does your factory do regarding quality control?

Clear standards and written inspection records, including incoming material, each process control, final inspection, and customer's complaint. Daily record is traceable.

Q:Do you have quality certification?

Yes, CE, SGS, ISO, etc.

Q:What material grade of brass washer do you supply?

Mainly H62 and H65 brass, tin-plated brass is available upon request.

Q:Can you produce non-standard brass washers?

Yes, we accept custom size according to your drawings or samples.