Do you support OEM and ODM services?

Yes, we offer flexible customization including minor, full customization, and customization from designs or samples, supported by our R&D team.

What certifications do your products have?

Our products are certified with ISO, ROHS, and SGS to ensure quality and compliance.

What are the available strength grades?

We supply screws in various strength grades including 4.8, 8.8, 10.9, 12.9, A2-70, A4-70, and A4-80.

Sems Screw with Captive Washer High Quality Custom Hardware Sems Screw

Name: Sems Screw with Captive Washer High Quality Custom Hardware Sems Screw
Brand: Qingdao Pengrui Machinery Co., Ltd.
SKU: 2006575705

Shandong, ChinaQingdao Pengrui Machinery Co., Ltd.

US$0.01-0.80

10,000 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Grade

4.8

Material

Carbon Steel

Standard

DIN, GB

Product Name

High Precision Slotted Pan Head Combination&Sems

Application

Toy, Electronic, Car, Transportation Facilities, Ma

Heat Treatment

Tempering, Hardening, Spheroidizing, Stress Relieving

Surface Finish

Zinc Plated (Clear/White/Blue), Passivated, Tin-Pl

Sample

We Can Make Sample Within7 Days Free of Charge If

Delivery Time

15 Working Days After Cfmed The Sample and Receive

Type

Hexagon Head

Connection

Common Bolt

Groove

Customized

Head Style

According to Clients' Requirement

Transport Package

Plastic Bags and Carton

Specification

sems screw

Trademark

pdm

Origin

China

Production Capacity

50000000/Month

Key features

Flexible Customization: Offers minor, full customization, and customization from designs or samples.

Wide Material Range: Available in Carbon Steel, Stainless Steel SS304/316, Brass, Bronze, and Aluminum.

Multiple Surface Finishes: Options include Zinc Plated, Passivated, Tin-Plated, Anodize, and Hot Deep Galvanize.

Fast Sample Production: Free samples available within 7 days if existing tooling is present.

Strict Quality Control: Certified by ISO, ROHS, and SGS with random visual inspection for finished products.

High Strength Grades: Available in Grade 4.8, 8.8, 10.9, 12.9, A2-70, A4-70, and A4-80.

Broad Size Coverage: Sizes range from M2 to M100 with lengths from 5mm to 300mm.

OEM/ODM Service: Professional OEM and ODM services provided by experienced R&D engineers.

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.