What certificates do you provide?

We provide EN10204-3.1B certificates for our products.

What are the payment terms?

We accept T/T, Western Union, and LC (Letter of Credit).

How are the washers packaged?

Packaging options include bulk in 25kg cartons, boxes, or pallets, customized according to customer requirements.

Stainless Steel SS316 Countersunk Concave Convex Outisde Fish Eye Cone Washer

Name: Stainless Steel SS316 Countersunk Concave Convex Outisde Fish Eye Cone Washer
Brand: TAIZHOU FASTOOL INDUSTRY CO., LTD.
SKU: 2210355745

Jiangsu, ChinaTAIZHOU FASTOOL INDUSTRY CO., LTD.

US$1.00

100-499 Pieces

US$0.60

500-4,999 Pieces

US$0.50

5,000-19,999 Pieces

US$0.40

20,000+ Pieces

Sample price:US$50.00/set.Request sample

Product profile

Customization

Available

Type

Lock Washer

Material

SS316

Model NO.

M5x16x3.5-SS316

Combination Washer Structure

A Type

Combination Washer Packaging

Spring Washer Type

Standard

Size

M3-M10

Grade

SS316

Packinig

Small Box

Delivery Time

15 Days

Transport Package

CTN First, Then in Pallet

Specification

As drawing

Trademark

HT&FST

Origin

Jiangsu, China

HS Code

7318220001

Production Capacity

50000PCS/Month

Key features

Premium SS316 Material: Constructed from high-grade Stainless Steel 316 for superior corrosion resistance.

Customizable Sizes: Available in standard sizes M3-M10 or non-standard dimensions as per drawing.

OEM Customization: OEM services available based on customer drawings or physical samples.

Certified Quality: Comes with EN10204-3.1B certificate ensuring material traceability and quality.

Fast Delivery: Standard delivery time ranges from 5 to 30 days depending on order volume.

Expert Support: Benefit from 18 years of experienced sales and technical support.

Versatile Application: Designed for dynamic loading to absorb shear stress and improve fatigue life.

Flexible Packaging: Options include bulk, boxes, cartons, or pallets tailored to customer needs.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityRaw-Materials TraceabilityImporters and Exporters

TAIZHOU FASTOOL INDUSTRY CO., LTD.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-05-03Nearest Port: SHANGHAI, NINGBOAverage Response Time: ≤8.52hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier demonstrates OEM and ODM experience, broad customization options, ISO 9001 certification, three production lines, quality assurance, raw-material traceability, and documented finished-product inspection instructions. It also reports inventory capability, export rights, and lead times stated as within 15 workdays to one month. However, the evidence identifies important management and development gaps: no available R&D audit documentation, no new products in the past year, no SDK, no written corrective-action or complaint-handling procedures, no formal supplier-service procedures or approved supplier list, and no valid manufacturing-capacity contract with related subcontractors. Overseas service coverage is limited, with no overseas warehouse, showroom, agents, branches, or offline trade-show participation. Financial credibility cannot be assessed because the slices only identify reporting years and do not provide financial results.

Supplier typeThe supplier operates as a manufacturer offering OEM and ODM services, holds self-operated import and export rights, and provides multiple customization models. It has inventory capability, but no valid manufacturing-capacity contract with related subcontractors and no overseas service infrastructure such as warehouses, showrooms, agents, or branches.

CertificationsThe supplier reports ISO 9001 certification, which is explicit evidence of holding a recognized quality-management-system certification. No other certifications are identified in the provided slices.

R&D capabilityThe supplier reports technology-engineering support and new-product development responsibilities and offers ODM services. Against this, it has no available R&D design-input, output, review, verification, or validation documents, no SDK, no new products in the past year, and R&D engineers with less than five years of total experience.

Production capacityThe supplier operates three production lines, reports inventory capability, employs 6–10 quality-control staff, uses uniformly followed finished-product inspection instructions, and maintains quality assurance and raw-material traceability. Deficiencies include no valid capacity contract with related subcontractors, no continuous batch quantity reconciliation, and no outsourcing standard operating procedure.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also provides OEM and ODM services, demonstrating broad stated customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of at least one category of customer experience. No brand names, project details, volumes, product examples, or independently verifiable case information are provided.