What are the lead times for production?

Both peak season and off-season lead times are within 15 workdays.

What are the minimum order quantity requirements?

The minimum order quantity is 100 pieces.

What payment methods do you accept?

We accept T/T, L/C, MoneyGram, Credit Card, PayPal, Western Union, Cash, and Escrow in currencies like USD, EUR, and CNY.

Mn Steel Star Lock Washer

Name: Mn Steel Star Lock Washer
Brand: Qingdao Pengrui Machinery Co., Ltd.
SKU: 2189207065

Shandong, ChinaQingdao Pengrui Machinery Co., Ltd.

US$0.05

10,000-49,999 Pieces

US$0.01

50,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1year

Warranty

1year

Type

Universal

Material

Steel

Muffler Type

Universal

Deck

Universal

Package

Ctns

Cloor

Plain or Black

Size

M2-M20

Thickness

0.3mm,0.4mm or Customized

Transport Package

Ctns

Specification

6&8

Trademark

null

Origin

China

Production Capacity

100000

Key features

Customized Dimensions: OD 10-18.2mm or Customized, ID 2.5-9.5mm or Customized, Thickness 0.3mm, 0.4mm or Customized.

Diverse Material Options: Available in 304 Stainless Steel and Spring Steel for various corrosion resistance needs.

Flexible Finish Choices: Offered in Plain, Black Oxide, and other finishes to suit specific requirements.

OEM and ODM Services: Full customization, minor customization, and design/sample-based customization available.

1-Year Warranty Coverage: Comprehensive 1-year warranty provided for all mechanical defects and issues.

Pre-Production Quality Control: Pre-production samples and final inspections conducted before mass production and shipment.

Versatile Application Range: Ideal for shafts, bearings, machinery, and industrial shock absorption applications.

Fast Delivery Capability: Peak and off-peak season lead times within 15 workdays for efficient supply.

Company profile

Importers and ExportersYears of Export ExperienceHigh Repeat Buyers Choice

Qingdao Pengrui Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier presents established manufacturing and export capabilities, with ISO9001:2015 certification, two production lines, 6–10 quality-control staff, and stated contracts with affiliated subcontractors. It supports flexible customization, ODM, OEM for popular brands, and reports new products in the past year. Export activity has continued for 11 years, with 51%–70% of sales from exports and self-operated import/export rights. Service strengths include inventory capability, documented complaint and corrective-action procedures, quality assurance, and lead times within 15 working days in both peak and off-season periods. However, the supplier has no overseas warehouse, showroom, agents, branches, or stated overseas-service countries, and has not participated in offline trade shows. Supplier-service assessment lacks written procedures and complete records. Financial credibility cannot be assessed from the non-monetary information provided.

Supplier typeThe supplier is identified as a combined company rather than an offshore company, and its profile covers manufacturing, export trade, service, quality control, R&D, and sustainability capabilities. This supports classification as an integrated manufacturing and trading-oriented supplier, although the exact legal business structure is not further specified.

CertificationsThe supplier holds an ISO9001:2015 certificate. This is explicit evidence of a recognized quality-management-system certification, although no additional certifications are stated.

After-Sales capabilityThe supplier has documented procedures and records for customer complaints and corrective/preventive actions, provides inventory capability, and reports lead times within 15 working days in both peak and off-season periods. However, it has no overseas warehouse, showroom, agents, branches, or stated overseas-service countries, while its supplier-service assessment process has no written procedures or followed records.

R&D capabilityThe supplier reports two years of total R&D-engineer experience, new products developed during the past year, ODM capability, customization from designs and samples, an available SDK, and one national science and technology progress award. These stated capabilities provide explicit evidence of active R&D and innovation support.

Production capacityThe supplier operates two production lines, has 6–10 quality-control staff, maintains valid manufacturing-capacity contracts with affiliated subcontractors, and reports 30 qualified suppliers for service capability. It also states inventory capability and lead times within 15 working days in both peak and off-season periods, indicating established operational capacity.

Customization capabilityThe supplier explicitly offers flexible, minor, and full customization, including customization from customer designs and samples, as well as ODM services and OEM for popular brands. These stated services demonstrate broad customization and contract-manufacturing capability.

Client casesThe supplier names long-term customers including Richelieu Hardware, Hillman Agroup, VIPA, CFI, and BUFAB. These named customer relationships provide explicit evidence of customer experience, although the information does not state order scope, duration for each account, or independently verified performance outcomes.