What is the minimum order quantity?

The Minimum Order Quantity is 100 Pieces.

What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

What sizes are available?

The available sizes range from M3 to M20.

Plastic Thumb Screw and Hand Knob

Name: Plastic Thumb Screw and Hand Knob
Brand: Qingdao Pengrui Machinery Co., Ltd.
SKU: 1934911405

Shandong, ChinaQingdao Pengrui Machinery Co., Ltd.

US$0.20

1,000 Pieces

Product profile

Customization

Available

Material

Plastic Steel

Type

Screw

Model NO.

thumb screw

Groove

Round

Connection

Common Bolt

Head Style

Round

Standard

DIN

Grade

4.8

Name

Thumb Screw

Transport Package

Carton

Specification

M4-M20

Trademark

PDM

Origin

China

Key features

Customizable Head Styles: Available in five-star, six-star, wing shaped, torx, and round knurling head designs.

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

Durable Material Options: Made from Plastic + Steel, Stainless steel, or Aluminum for long-lasting durability.

Multiple Finish Options: Offers Zinc plated, Nickel Plated, Black Oxide, Gold, silver color, and plain finishes.

Wide Size Range: Available in sizes ranging from M3 to M20 to meet various application needs.

Fast Delivery Time: Delivery takes 3 to 15 days depending on the order quantity and demand.

ISO9001-2015 Certified: Manufactured with a full quality control system certified by ISO9001-2015 standards.

OEM/ODM Service: Professional manufacturer offering both OEM and ODM services for precision fasteners.

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.