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Standard packaging is 20-25 kg per carton, with 36-48 cartons per pallet. Custom packaging is also available.

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Stainless Steel Internal Toothed Locking Circular Washers, Carbon Steel Lock Washers with Internal Teeth

Name: Stainless Steel Internal Toothed Locking Circular Washers, Carbon Steel Lock Washers with Internal Teeth
Brand: Bolnut Fastener Co., Ltd
SKU: 2248733805

Jiangsu, ChinaBolnut Fastener Co., Ltd

US$0.10

1 Piece

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Type

Lock Washer

Material

Stainless Steel/Carbon Steel

Model NO.

DIN6797

Combination Washer Structure

A Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Finish

Hot Galvanizing,Black, Color-Zi

Measurement

Metric, Imperial (Inch)

Sample

Available

Certificate

ISO 9001 2015/ISO 14001 2015

MOQ

10000PCS

Name

Internal Toothed Locking Circular Washers

Transport Package

20-25kg/Carton+900kg Pallet

Specification

M3-M30

Trademark

BNT

Origin

China

HS Code

731815

Production Capacity

1000ton/Month

Key features

Wide Material Selection: Available in Stainless Steel (SS304/316) and Carbon Steel with various finishes.

Customization Support: Supports custom logos, designs, and packaging based on customer samples or drawings.

Fast Delivery: In-stock items deliver in 2-5 days; bulk orders take 10-30 days depending on season.

Free Samples: Free samples provided for standard fasteners; existing customers also get free express shipping.

Quality Assurance: ISO 9001/14001 certified with rigorous durability testing to enhance product lifespan.

Flexible Payment: Accepts T/T, L/C, D/P, PayPal, and Western Union for convenient transactions.

Professional Manufacturer: Over 10 years of experience with professional design team and factory production capabilities.

Standard Compliance: Products meet DIN, ASTM, ANSI, JIS, EN, ISO, AS, and GB standards.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceFast Delivery

Bolnut Fastener Co., Ltd

Jiangsu, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 YearsNearest Port: SHANGHAI , NINGBO ,ZHAPU , SHENZHEN, TIANJINGAverage Response Time: ≤1.03h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company in Zhangjiagang, Suzhou, with business scopes covering labor protection products, apparel, textiles, communication equipment, electronics, and certain medical protective products. It is described as a professional technical supplier and offers multiple customization modes, ODM services, and OEM services for popular brands. However, it has only one R&D engineer, launched no new products in the past year, and does not provide 3D software or SDK services. Service procedures and complaint-handling procedures exist, but supplier approval records are incomplete. Financial information is represented only by reporting years, without performance values. No overseas warehouse, showroom, overseas branch or offline trade-show participation is reported.

Supplier typeThe supplier is explicitly classified as a trade company, while its stated scope includes labor protection products, apparel, textiles, medical protective equipment, communication equipment, and electronic products. It is also identified as a professional technical supplier, indicating a trading-oriented business with technical and customization support rather than confirmed manufacturing status.

After-Sales capabilityThe supplier has a clear complaint-handling procedure with followed records, and it has a corrective and preventive action mechanism with implementation records. However, its general service-assessment procedure has no records, and its approved-supplier list lacks approval signatures or dates, indicating documented but incompletely controlled service processes.

R&D capabilityThe supplier is identified as a professional technical supplier and offers ODM services, but it has only one R&D engineer, launched no new products in the past year, and lacks both 3D software design and SDK capabilities. This shows some technical development and design support, but limited demonstrated innovation output and digital R&D capability.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, directly evidencing broad customization and design-manufacturing support.

Client casesA repeat-buyer preference of 50%–80% is reported, and the supplier states that it provides OEM services for popular brands. These are positive customer-related indicators, but no named customers, specific projects, order examples, or independently verifiable case details are provided.